An Essential Skill for Drift Diving Around Gili Air

You are drifting comfortably along a reef when the current changes direction. A few minutes later, the dive site is behind you and the boat is no longer directly above your group.

This does not necessarily mean that anything has gone wrong. Drift diving is common around the Gili Islands, and dive boats often follow divers by watching their bubbles and anticipating the direction of the current.

However, before the group begins its final ascent, the boat crew must be able to identify where the divers are likely to surface. Other boats in the area should also be warned that divers are ascending underneath them.

That is where a surface marker buoy becomes essential.

A surface marker buoy is not simply another accessory to attach to your BCD. When correctly deployed, it makes divers more visible, helps the boat prepare for their recovery and provides a useful visual reference during the ascent.

But carrying one is not the same as knowing how to use one.

What Is a Surface Marker Buoy?

The terms SMB and DSMB are frequently used interchangeably, but technically they describe two slightly different pieces of equipment.

An SMB, or surface marker buoy, is normally inflated at the surface. It can help make a diver more visible after surfacing.

A DSMB, or delayed surface marker buoy, is designed so that it can be deployed from underwater. It is connected to a reel or spool and sent to the surface before the divers begin their ascent.

A DSMB usually has an overpressure valve that allows expanding gas to escape as the buoy rises. This is important because the gas inside the buoy expands as the surrounding pressure decreases. An ordinary surface-only SMB may not be designed to manage that expansion safely [1].

In everyday diving conversations, people often call both devices an “SMB.” In this article, however, DSMB refers specifically to the type that can be deployed from underwater.

Why DSMBs Matter Around the Gili Islands

The waters surrounding Gili Air, Gili Meno and Gili Trawangan are well known for drift diving.

Currents transport divers along coral slopes and across dive sites, allowing them to cover a large area without constantly swimming against the water. When the current is moderate and the dive is properly organized, this can create a relaxing and enjoyable experience.

However, a drifting group may finish its dive a considerable distance from where it entered the water. The boat therefore needs to follow the divers and identify their expected surfacing position.

SSI explains that DSMBs can be used to signal a diver’s location to people at the surface, particularly where strong currents make a drifting ascent more appropriate or where no fixed ascent line is available [2].

A deployed DSMB can:

• Show the dive boat where the group is ascending.
• Warn other vessels that divers are below the surface.
• Help the boat crew prepare for recovery.
• Provide the group with a visual reference during the ascent.
• Make divers easier to locate if they surface away from the planned position.

This is particularly valuable around busy tropical islands, where dive boats, passenger boats, fishing boats and private vessels may all use the same waters.

A DSMB does not create a protected area around the divers, and it never guarantees that every boat will see or avoid them. Divers must still listen for boat traffic, remain together and follow the instructions given during the dive briefing.

Nevertheless, being visible is considerably better than ascending without any surface signal.

Carrying an SMB Is Not Enough

Many certified divers own a DSMB and spool. They keep them clipped neatly to their BCD and carry them on every dive.

But when was the last time they actually practised deploying them?

A DSMB becomes a useful safety tool only when the diver can deploy it while maintaining:

• Neutral buoyancy.
• Depth control.
• Awareness of the surroundings.
• Control of the reel or spool.
• Contact with the buddy or dive group.
• A safe ascent position.

Deploying a DSMB can appear easy when demonstrated by an experienced dive professional. The diver unclips the buoy, prepares the spool, adds gas and releases it towards the surface.

In reality, several things are happening simultaneously.

The diver must manage buoyancy, avoid entanglement, monitor depth, maintain control of the line, prevent the spool from jamming and remain aware of other divers. If too much gas is added or the spool becomes trapped, the diver may be pulled upwards.

The British Sub-Aqua Club warns that DSMB deployment is a skill divers should practise regularly. Its safety guidance also states that the reel should not be attached to the diver because a jammed line could pull the diver towards the surface [3].

An SMB stored in your pocket cannot protect you if you do not know how to use it.

Buoyancy Control Comes First

Safe DSMB deployment depends heavily on good buoyancy.

A diver who needs both hands simply to remain at the correct depth is not ready to add another task. Looking down at a spool can also cause an inexperienced diver to lose awareness of depth and begin sinking or ascending.

When a DSMB is released, the gas inside it expands as it moves towards the surface. The diver must allow the line to run freely while remaining at a stable depth.

If the spool jams and the diver refuses to let go, the buoy can pull the diver upwards. A rapid ascent increases the risk of lung overexpansion injuries and decompression illness.

This is why the reel or spool must never be wrapped around the hand or attached to the diver. The diver should be able to release it immediately if necessary [3,4].

Good DSMB deployment is therefore not merely an equipment skill. It combines:

• Neutral buoyancy.
• Situational awareness.
• Equipment handling.
• Problem-solving.
• Ascent control.

This is also why neutral buoyancy should be learned from the beginning of a diver’s education. A diver who is comfortable and stable in midwater has a much stronger foundation for learning practical skills such as DSMB deployment.

Common DSMB Deployment Mistakes

Even experienced divers can make mistakes when they have not practised the skill recently.

Attaching the reel to the BCD

A diver may believe that clipping the reel to the BCD prevents it from being lost. Unfortunately, it can also prevent the diver from releasing it if the line jams or becomes caught.

The diver should always be able to let go of the entire system.

Wrapping the line around the hand

A line wrapped around a finger, wrist or hand can tighten very quickly as the buoy moves towards the surface. This may cause an injury or drag the diver upwards.

The line should remain controlled but never wrapped around the body.

Adding too much gas

The DSMB does not need to be completely filled at depth. Gas expands significantly while rising. Adding too much gas can create excessive upward force and make the deployment harder to control.

Losing buoyancy control

Some divers concentrate so intensely on the DSMB that they forget to monitor their depth. They may unknowingly sink, ascend or drift into another diver.

The DSMB should never become more important than maintaining control of the dive.

Using an unsuitable line length

The reel or spool must contain enough line for the depth from which the DSMB will be deployed. SSI specifically advises divers to confirm that sufficient line is available for the buoy to reach the surface [2].

Allowing loose line to accumulate

Loose line can become entangled around equipment, fins, coral or another diver. Keeping the line organized reduces this risk.

Practising for the first time in difficult conditions

A strong current, deep water or busy ascent is not the right environment for a diver’s first attempt. The skill should initially be practised under the direct supervision of a qualified professional in controlled conditions.

Who Deploys the DSMB During a Guided Dive?

During a normal guided dive around the Gili Islands, the Divemaster will usually deploy the DSMB for the group.

Once the buoy reaches the surface, the Divemaster controls the spool and uses the line as a visual reference while the group ascends and completes its safety stop.

Divers should remain close to the guide and follow the planned ascent procedure. They should not automatically deploy several additional DSMBs unless that procedure has been agreed upon during the briefing.

However, every certified diver should still consider carrying their own DSMB and spool.

Why?

Because groups can become separated.

Good organization, small groups, attentive guides and proper buddy procedures reduce this possibility, but they cannot eliminate it completely. Visibility can change, currents can split and divers can become distracted.

If a diver becomes separated from the group and follows the agreed lost-buddy procedure, that diver may eventually need to ascend without the Divemaster. Having a personal DSMB—and knowing how to use it—can make the diver much easier for the boat crew to locate.

SSI recommends an SMB for boat dives involving drift or significant surface traffic. It also notes that although the Divemaster should carry one, having your own is valuable if you become separated from the group [5].

Why Oceans 5 Requires Dive Professionals to Carry One

At Oceans 5 Gili Air, every Divemaster and instructor is required to carry an SMB and reel.

This is not optional equipment for a working dive professional.

Our Divemasters guide guests through an active marine environment where currents, weather, boat movements and underwater conditions can change. They must be prepared to manage a normal drifting ascent, an unexpected change in the dive plan or a situation in which the group surfaces somewhere different from the anticipated position.

Carrying the equipment is only part of that responsibility.

Oceans 5 trains its own Divemasters and expects them to practise deployment while maintaining neutral buoyancy and control. A professional should be able to manage the DSMB without losing awareness of guests, depth or environmental conditions.

The objective is not to perform an impressive-looking skill.

The objective is to keep the group organized and visible.

The DSMB Is Part of the Dive Plan

The decision to deploy a DSMB should not be improvised at the end of the dive.

Before entering the water, divers should understand:

• Who will deploy the DSMB.
• At approximately what depth it will be deployed.
• What the group should do during deployment.
• How the ascent will be organized.
• What to do if a diver becomes separated.
• Which surface signals are used.
• How the boat will approach the group.
• Whether the area has any special local procedures.

Divers should also examine the DSMB and spool before entering the water. A tangled line, damaged reel or incorrectly attached buoy is much easier to correct on the boat than underwater.

A good briefing creates shared expectations. Everyone knows who is responsible and how the group will respond.

Different Colours Can Have Different Meanings

Orange, red and yellow are among the most common DSMB colours because they are generally easy to see at the surface.

However, there is no universal recreational-diving rule that gives every colour the same meaning worldwide. In some technical-diving procedures, one colour may indicate a normal ascent while another signals a problem or requests assistance.

Any colour-based communication system must be discussed with the boat crew before the dive. A signal has no value if the people at the surface interpret it differently.

DAN recommends highly visible colours and notes that larger DSMBs are generally easier for surface support and other vessels to see, particularly when conditions are rough [1].

An SMB Does Not Replace Other Safety Equipment

A DSMB is an important visual signal, but it should not be the diver’s only method of attracting attention.

Once at the surface, a diver may also benefit from:

• A whistle.
• A signal mirror.
• A dive light or strobe in low light.
• A brightly coloured hood or equipment panel.
• An electronic location device where appropriate.
• Staying physically close to the buddy or group.

A DSMB is most effective while it remains upright. Divers should maintain appropriate tension on the line without attaching it to themselves.

Divers should never assume that carrying one signalling device makes them impossible to lose. Safety comes from combining planning, appropriate equipment, competent boat support, buddy awareness and properly practised skills.

Learn the Skill Before You Need It

The worst time to discover that you cannot deploy your DSMB is when you are separated from the group in a strong current.

Practise in calm, controlled conditions with a qualified instructor. Start shallow, concentrate on buoyancy and gradually build the ability to complete the deployment while remaining aware of your buddy and depth.

Divers returning after a long break may also include DSMB practice as part of a refresher, depending on their experience and the objectives of the session.

More experienced divers should not assume the skill will remain perfect forever. Equipment handling becomes less automatic when it is not regularly practised.

The British Sub-Aqua Club describes DSMB deployment as one of the skills that commonly goes wrong and advises divers to practise it regularly [3].

A Small Piece of Equipment With a Big Responsibility

An SMB or DSMB is relatively simple, compact and inexpensive. It fits inside a BCD pocket and may remain there for most of the dive.

But when the group is drifting, the dive plan changes or a diver becomes separated, it can become one of the most important pieces of equipment being carried.

Around the Gili Islands, currents are part of the diving experience. They bring movement, marine life and exciting drift dives, but they also require preparation and respect.

Every diver should understand what a DSMB does.

Every dive professional should be confident deploying one.

And every diver who carries one should practise using it before it is genuinely needed.

Because owning safety equipment is not enough.

You must also have the ability to use it calmly, correctly and while maintaining control.

Frequently Asked Questions

What is the difference between an SMB and a DSMB?

An SMB is generally inflated at the surface, while a DSMB is designed to be deployed from underwater. A DSMB normally includes an overpressure valve that allows expanding gas to escape as it rises [1].

The terms are often used interchangeably in everyday recreational diving.

Do I need an SMB when diving around the Gili Islands?

Your Divemaster should carry one during a guided dive, but carrying your own is strongly recommended—especially when drift diving or diving in areas with boat traffic. It can become particularly important if you become separated from the group.

Will the Divemaster deploy the SMB?

During most guided dives, the Divemaster will deploy the DSMB for the group. The procedure should be explained during the dive briefing.

Individual divers should still understand the process and know how to respond while the DSMB is being deployed.

Should every diver carry a DSMB?

It is good practice for every suitably trained diver to carry one. Even if the Divemaster normally deploys the group’s DSMB, a diver may need a personal signaling device after becoming separated.

Can I learn DSMB deployment during my Open Water course?

The exact course content depends on the training program and conditions. However, certified divers can practise DSMB deployment under professional supervision during continuing education, speciality training or an appropriate skills-refresher session.

Is deploying a DSMB difficult?

The basic procedure is not complicated, but performing it while neutrally buoyant requires practice. The diver must manage the DSMB, line, spool, depth, buoyancy and surrounding environment simultaneously.

At what depth should a DSMB be deployed?

The appropriate depth depends on the dive plan, training, conditions, equipment and local procedures. Divers should follow the method taught by their instructor and the instructions provided during the dive briefing.

Can I attach the DSMB reel to my BCD?

No. Safety guidance warns against attaching the reel or spool to yourself. If the line jams, becomes caught or is pulled by something at the surface, the diver must be able to release the complete system immediately [3,4].

Why should I not wrap the line around my hand?

The line may suddenly tighten while the DSMB rises. A line wrapped around a hand or finger can cause injury or pull the diver upwards.

Does an SMB guarantee that boats will avoid me?

No. A DSMB improves visibility, but it does not create a guaranteed exclusion zone. Divers must continue listening for boats, remaining with the group and following safe ascent procedures.

Can several divers deploy their DSMBs together?

Multiple lines in a small area can increase the risk of entanglement. During a guided dive, divers should follow the procedure explained by the Divemaster rather than automatically deploying several DSMBs at once.

How often should I practise DSMB deployment?

Regularly enough that the equipment and procedure remain familiar. If you cannot deploy it calmly while maintaining neutral buoyancy, depth and awareness, you should practise again with a qualified professional.

Does Oceans 5 require its Divemasters and instructors to carry an SMB?

Yes. Oceans 5 requires its Divemasters and instructors to carry an SMB and reel. Dive professionals must be prepared to mark the group’s position and organize a controlled ascent during local drift dives.

References

1. Divers Alert Network. “Popping the Question: What Is a DSMB?” Explains the differences between SMBs and DSMBs, their construction, visibility and their role in alerting surface support and boat traffic. DAN DSMB guidance
2. Scuba Schools International. “Surface Marker Buoy 101—All You Need to Know.” Explains how surface marker buoys and delayed surface marker buoys are used, including during drifting ascents and in areas without a fixed ascent line. SSI surface marker buoy guidance
3. British Sub-Aqua Club. “Safe Diving Guide: Equipment.” Advises divers to practise DSMB deployment regularly and warns against attaching the reel to the diver. BSAC equipment guidance
4. British Sub-Aqua Club. “Safe Use of Surface and Delayed Surface Marker Buoys.” Discusses entanglement, buoyancy control and the danger of attaching an SMB or DSMB reel to the diver. BSAC SMB and DSMB safety guidance
5. Scuba Schools International. “15 Essential Items to Take on Your Boat Dives.” Recommends an SMB for drift diving and areas with boat traffic and explains why individual divers should consider carrying one even when the Divemaster has one. SSI boat-diving equipment guidance

Diving the Gili Islands in September

September is an excellent time to explore the underwater world around Gili Air, Gili Meno and Gili Trawangan. It falls near the end of Lombok’s dry season, when visitors can often enjoy sunny days, warm water and good underwater visibility.

But what can you actually expect to see?

The Gili Islands are not a destination built around one seasonal animal. They offer varied, year-round diving with turtles, reef sharks, schooling fish, rays, colourful reef species and fascinating macro life. The exact encounters depend on the dive site, currents, tides and, naturally, a little luck.

No responsible dive centre can guarantee a particular animal. The ocean is not a zoo, and marine life does not follow a timetable. However, September gives divers plenty of opportunities to experience the biodiversity of the Gili Matra Marine Protected Area.

What Are the Diving Conditions Like in September?

September is normally part of the dry season around the Gili Islands. Divers can generally expect warm air temperatures, relatively limited rainfall and plenty of sunshine.

Underwater visibility is often good, but it can change from one day—or even one dive—to the next. Currents, tides, wind, plankton and local weather all influence how far you can see.

Water temperatures commonly remain comfortable, although colder water can occasionally move through the area. A standard tropical wetsuit is usually sufficient for most divers, but thermal comfort is personal. Divers who become cold easily may prefer a slightly thicker suit, especially when completing several dives in one day.

Currents are an important part of diving around the Gili Islands. Some sites may be calm, while others can produce exciting drift dives. Conditions are assessed before every departure, and the final dive-site decision must consider the experience and certification levels of the group.

Good conditions should never be assumed simply because it is September. Local knowledge and proper dive planning remain essential throughout the year.

Green and Hawksbill Turtles

The Gili Islands are particularly well known for their sea turtles. Green turtles and hawksbill turtles can both be encountered around the islands.

Green turtles may be seen resting on the reef, swimming through the blue or feeding in areas with seagrass and algae. Hawksbill turtles are often associated with coral reefs, where their narrower heads help them reach food between reef structures.

Turtle Heaven, near Gili Meno, is one of the best-known turtle dive sites in the area. However, turtles are not limited to one location. They may also appear at Meno Slope, Halik, Shark Point, Hans Reef and several other sites.

September is not a special “turtle season.” Turtles live around the Gili Islands throughout the year, which means divers have a reasonable chance of encountering them during any month.

That still does not justify chasing, touching or surrounding them. A sleeping or feeding turtle should be given space. Calm divers with good buoyancy are usually rewarded with a longer and more natural encounter.

The best turtle experience is one in which the turtle chooses to remain near you.

Whitetip and Blacktip Reef Sharks

The word “shark” can make new divers nervous, but the reef sharks found around the Gili Islands are generally shy animals that tend to avoid close contact with people.

Whitetip reef sharks can sometimes be found resting beneath ledges, inside small caves or cruising close to the reef. Unlike many shark species, whitetips can pump water over their gills while resting on the bottom.

Blacktip reef sharks are more commonly associated with shallower reef environments. Juveniles may sometimes be seen in protected, relatively shallow areas.

Shark Point, on the western side of Gili Trawangan, is one of the best-known sites for reef-shark encounters. Sharks may also be found at Halik, Deep Turbo and other locations, depending on the conditions.

Seeing a shark is never guaranteed. Sometimes a site called Shark Point produces several sharks; on another day, the sharks may be nowhere in sight.

Divers should never block a shark’s route, follow it into an enclosed space or lie on the bottom to get closer. Remaining neutrally buoyant, keeping an appropriate distance and allowing the animal to control the encounter creates a more respectful—and usually more enjoyable—experience.

Trevallies and Schooling Fish

Not every memorable sighting needs to be a turtle or shark.

September dives can bring encounters with schools of fusiliers, snappers, surgeonfish and other reef fish. Trevallies may patrol the reef or move quickly through a school of smaller fish.

At some sites, red-tooth triggerfish fill the water column. Bannerfish, butterflyfish, angelfish, sweetlips and parrotfish add colour to the reef, while moray eels watch from cracks and coral formations.

The number and behaviour of fish can change with the current. Moving water can transport nutrients and encourage feeding activity. This is one reason a dive with some current can be particularly exciting.

The objective is not always to swim against the current to reach a famous location. Sometimes the best option is to maintain good position, drift with the reef and watch the underwater environment become more active around you.

Rays in the Sand and in the Blue

Blue-spotted stingrays are regularly encountered around the Gili Islands. They often rest on sandy patches, partially concealed beneath the sand, or move between coral formations.

Eagle rays are less predictable but may occasionally pass through the blue. Seeing one glide effortlessly past the reef can become the highlight of a dive.

Mobula rays and manta rays are possible visitors to the wider Gili area, but they should be treated as special encounters rather than expected September sightings. Manta encounters are more commonly associated with the wetter part of the year, and the Gili Islands should not be advertised as a destination where mantas can be guaranteed.

If a ray appears, remain calm and avoid swimming directly above or behind it. Give the animal space and let it determine how long the encounter lasts.

Nudibranchs, Flatworms and Other Small Creatures

A diver who only looks into the blue may miss half of what makes Gili Air special.

The reefs, sandy slopes and coral structures around the island support an impressive range of small marine animals. Depending on the site and the ability of your guide to find them, you might see:

• Colourful nudibranchs
• Flatworms
• Frogfish
• Pipefish
• Scorpionfish
• Porcelain crabs
• Orangutan crabs
• Shrimp
• Juvenile fish
• Cuttlefish
• Octopuses
• Blue-ringed octopuses
• Bobtail squid

Some of these animals are extremely well camouflaged. A frogfish can resemble a sponge, while a scorpionfish can almost disappear against the reef. Tiny crabs may live inside coral or hide among the arms of an anemone.

Finding macro life requires patience, controlled movement and a guide who knows where and how to look. It also requires responsible behaviour. Animals should never be moved, touched or repositioned to create a better photograph.

The fact that a creature is small does not make disturbing it acceptable.

Octopuses and Cuttlefish

Several octopus species can be found around the Gili Islands. Some hide inside holes or beneath pieces of coral rubble, while others move across the sand and change colour and texture as they travel.

Around the harbour and other suitable sandy environments, particularly during specialised muck or night dives, patient divers may encounter some of the area’s more unusual cephalopods. Possible sightings can include long-arm octopuses, mimic octopuses, wonderpus and small bobtail squid.

These encounters are never guaranteed and often depend on the time of day, the site and the experience of the guide.

Cuttlefish may also be found hovering above the reef, hunting small animals or communicating through rapidly changing patterns across their bodies.

Watching a cephalopod behave naturally is much more interesting than forcing it from its hiding place. A good guide knows when to point, when to wait and when to leave an animal alone.

Mandarin Fish at Dusk

Mandarin fish are among the most colourful small fish found around Gili Air. Their bright blue, green and orange patterns make them a favourite with underwater photographers.

They are usually associated with sheltered coral-rubble environments and become more active around dusk. Finding them requires careful timing, patience and very controlled diving.

Because mandarin fish live close to fragile habitat, buoyancy becomes especially important. Divers must avoid landing on coral rubble, stirring up sediment or damaging the environment while trying to take a photograph.

A mandarin-fish dive is not about covering a large distance. It is about remaining still, watching carefully and waiting for a very small fish to appear.

Night-Diving Encounters

When daylight disappears, the reef changes.

Animals that were hidden during the day become active, while many daytime fish find places to rest. Depending on the location, a September night dive might reveal:

• Hunting moray eels
• Decorator crabs
• Shrimp
• Lobsters
• Cuttlefish
• Octopuses
• Flatworms
• Nudibranchs
• Scorpionfish
• Sleeping parrotfish
• Bobtail squid
• Other small nocturnal animals

Oceans 5 normally uses the harbour or house-reef environment for night dives. When conditions, logistics and participant numbers allow, specialised boat night dives may also be organised.

Night diving requires good buoyancy, careful communication and proper light procedures. Divers who have never completed a night dive can join under appropriate professional supervision or complete the SSI Night and Limited Visibility specialty.

Different Islands Offer Different Experiences

The Gili Islands are often promoted as one diving destination, but the individual areas provide different underwater experiences.

Diving Around Gili Air

The sites around Gili Air are known for coral slopes, sandy areas and interesting macro life. Hans Reef is popular with both recreational divers and students, while other locations can offer drift diving, coral formations, turtles and small, well-camouflaged animals.

Gili Air is an excellent base for divers who enjoy looking for the smaller creatures that are easily missed when a group moves too quickly.

Diving Around Gili Meno

Gili Meno is particularly well known for turtles. Turtle Heaven and Meno Slope can produce excellent turtle encounters, while the Bounty Wreck—actually the remains of a sunken jetty platform—attracts fish and other marine life.

The famous underwater statues are visually interesting, but they are only one small part of the diving around Meno.

Diving Around Gili Trawangan

Several of the better-known shark and deeper dive sites are located around Gili Trawangan. Shark Point and Halik can offer turtles, reef sharks, schooling fish and varied reef structures.

Deep Turbo and other deeper sites are more appropriate for experienced divers with the required certification. Depth, currents and the group’s abilities must always be considered before selecting these locations.

Your Dive Guide Can Change What You See

Choosing the right site matters, but your dive guide can make an equally important difference.

An experienced local Divemaster understands where particular animals are commonly found, how the current influences a site and which area is suitable for the group. They may recognise a frogfish that looks like part of the reef or notice the small movement that reveals a hidden octopus.

At Oceans 5 Gili Air, our certified fun-diving groups normally have a maximum of four divers per Divemaster. Smaller groups make it easier for the guide to consider individual interests and for every diver to see the animals without crowding them.

We also try to organize groups according to certification, experience, air consumption, comfort in currents and underwater interests.

A photographer searching for nudibranchs may want a different pace from a diver hoping to cover more of the reef and look for sharks. Matching compatible divers can make the experience better for everyone.

Good Buoyancy Helps You See More

Good buoyancy is not only about protecting coral. It can also help you observe marine life.

A neutrally buoyant diver can stop beside a coral formation without grabbing it. They can watch a turtle without crashing into the bottom, approach a small animal without producing a cloud of sand and maintain a respectful distance from a shark.

Divers who move slowly and calmly frequently notice more than divers who race from one sighting to the next.

At Oceans 5, we follow a no-unnecessary-touching philosophy. Our divers are expected to respect the reef, the seabed and the animals they encounter.

Do not chase turtles. Do not block sharks. Do not touch rays. Do not pick up nudibranchs. Do not ask your guide to move an octopus for a photograph.

The best underwater encounters are natural encounters.

Can Beginners Enjoy Diving in September?

Yes. September can be an excellent time to learn to dive or complete an introductory experience around the Gili Islands.

However, the correct dive site must be chosen for the conditions and the diver’s ability. Not every famous site is suitable for every beginner on every day.

Oceans 5 offers introductory dives and the three-day SSI Open Water Diver course. Training begins with theory and pool sessions before students enter the ocean. We keep training groups small and teach students to develop neutral buoyancy rather than becoming dependent on kneeling on the bottom.

Certified divers who have not dived for six months or longer must complete a refresher before joining regular fun dives with Oceans 5. A refresher gives divers time to review important knowledge and skills before returning to open water.

Flexible September Diving With Oceans 5 Gili Air

Oceans 5 organizes separate dive departures at 08:30, 11:30 and 14:30. On Fridays, we normally dive at 08:30 and 14:30.

The boat returns to Gili Air after every dive, allowing you to choose one, two or three dives according to your holiday plans and energy level. Night dives can also be organised on request, subject to conditions and availability.

This flexible system also allows our team to reassess the conditions and organize the groups before every departure.

Tell us what you would most like to see—but keep an open mind.

You may enter the water hoping for a shark and find an extraordinary frogfish. You may be looking for nudibranchs when an eagle ray passes overhead. A planned turtle dive might become memorable because of a hunting octopus or an enormous school of fish.

That uncertainty is part of what makes diving exciting.

What Can You See in September?

September can offer turtles, reef sharks, rays, schooling fish, colourful reef species, nudibranchs, octopuses, cuttlefish and many other animals around the Gili Islands.

But the honest answer is that we cannot tell you exactly what you will see.

We can select a suitable site, consider the current and tides, place you with an experienced local Divemaster and organize the dive around your certification and interests.

The rest is decided by the ocean.

And that is exactly how diving should be.

Frequently Asked Questions

Is September a good month for diving the Gili Islands?

Yes. September is normally part of the dry season and can provide warm water, sunny weather and good visibility. However, conditions are never guaranteed and can change with tides, currents, wind and local weather.

What is the water temperature in September?

Water temperatures around the Gili Islands are generally comfortable for tropical diving, although colder currents can occasionally pass through the area. Most divers use a tropical wetsuit, but those who become cold easily may prefer additional thermal protection.

Can I see turtles in September?

Green and hawksbill turtles live around the Gili Islands throughout the year. September can therefore provide excellent turtle encounters, particularly around sites near Gili Meno. Nevertheless, no wildlife sighting can be guaranteed.

Can I see sharks in September?

Whitetip and blacktip reef sharks may be encountered throughout the year. Shark Point, Halik and some deeper sites can offer opportunities to see them, depending on the conditions and the sharks’ natural movements.

Will I see manta rays in September?

Manta rays occasionally visit the Gili Islands, but September is not normally considered the principal manta period. A manta sighting should be treated as an unexpected bonus rather than something a dive centre can promise.

Where is the best place to see turtles?

Turtle Heaven near Gili Meno is one of the area’s best-known turtle sites. Turtles can also be found at Meno Slope, Halik, Shark Point, Hans Reef and several other locations.

What macro animals can I see around Gili Air?

Possible macro sightings include nudibranchs, flatworms, frogfish, pipefish, shrimp, small crabs, scorpionfish, cuttlefish and several octopus species. Sightings depend on the site, conditions, time of day and the ability of the guide to find them.

Is September suitable for beginner divers?

Yes, provided an appropriate site is selected. Conditions vary, so the dive team must consider the current, weather and diver’s experience before choosing the location. Oceans 5 offers introductory dives and SSI Open Water Diver courses for beginners.

Are the currents strong in September?

Currents around the Gili Islands can be mild or strong during any month. Their direction and intensity are influenced by tides and local conditions. Some currents create enjoyable drift dives, but the site and dive plan must always match the group’s ability.

How good is the underwater visibility?

Visibility is often good during September, but it is not constant. Wind, waves, plankton, tides and currents can all affect visibility. Conditions may differ between dive sites on the same day.

Do I need a refresher before diving?

At Oceans 5, certified divers who have not dived for six months or longer must complete a refresher before joining regular fun dives. This allows you to review essential knowledge and skills before returning to open water.

How many divers are placed with one guide?

Oceans 5 normally limits certified fun-diving groups to a maximum of four divers per Divemaster. Whenever possible, groups are organized according to certification, experience, comfort in currents and marine-life interests.

How many dives can I complete in one day?

Oceans 5 normally offers separate departures at 08:30, 11:30 and 14:30. On Fridays, departures are scheduled for 08:30 and 14:30. You can choose one, two or three dives, subject to availability and safe repetitive-dive planning.

Can I request a particular dive site?

Yes. You can tell the Oceans 5 team what you would like to see or which site interests you. However, the final selection depends on currents, weather, certification levels, experience, marine-park requirements and group safety.

Can Oceans 5 guarantee a particular animal?

No responsible dive centre can guarantee a wild-animal encounter. Our team can choose sites where certain animals are commonly found, but marine life moves freely and every dive is different.

Weather, Conditions and Marine Life

September can be one of the most enjoyable months for scuba diving around the Gili Islands. The busiest weeks of July and August are coming to an end, but the dry-season weather generally continues. The water remains warm, the dive sites offer encounters with turtles, reef sharks and colourful reef fish, and Gili Air gradually returns to a more relaxed rhythm.

However, no two days in the ocean are identical. Visibility, currents and water temperature can change from one dive site—or even one dive—to the next. That is why choosing an experienced dive centre and listening to the advice of local dive professionals is more important than relying on a monthly weather chart.

Here is what you can realistically expect when diving the Gili Islands in September.

Is September a Good Month for Diving the Gili Islands?

Yes, September is generally a very good month for diving around Gili Air, Gili Meno and Gili Trawangan.

September normally falls toward the end of the drier period in the Lombok region. Visitors can often expect sunny days, relatively little rain and good conditions for outdoor and marine activities. Nevertheless, Indonesia’s weather can vary from year to year, so travellers should always check the latest forecasts from Indonesia’s official meteorological agency, BMKG, before travelling [1].

One of the advantages of September is that it comes directly after the busiest European summer-holiday period. Gili Air remains lively, but the island can feel slightly less crowded than during July and August.

This makes September attractive for divers who want:

• Warm tropical water
• Generally favourable surface conditions
• A choice of dive sites around all three Gili Islands
• Fewer peak-season crowds
• Suitable conditions for courses and fun diving
• A relaxed island atmosphere between dives

September is not a “secret season,” and it can still be busy. However, it often offers a pleasant balance between reliable diving conditions and a less hectic atmosphere.

What Is the Weather Like on Gili Air in September?

September days on Gili Air are usually warm and sunny. Air temperatures are tropical throughout the year, and evenings remain comfortable enough to eat outside or walk around the island.

Rain is still possible. A dry-season label does not mean that every day will be completely dry. Short showers can occur, and weather patterns are becoming less predictable. The good news is that a brief tropical shower does not automatically mean poor diving.

Divers should remember that weather above the surface and conditions underwater are not always directly connected. It can rain during the night and still be a beautiful diving day the following morning.

The most relevant conditions for a dive centre are:

• Wind direction and strength
• Wave height
• Surface conditions
• Current strength and direction
• Underwater visibility

At Oceans 5 Gili Air, the dive team evaluates the conditions each day before deciding which dive sites are most appropriate for each departure.

Water Temperature in September

Water temperatures around the Gili Islands are warm throughout the year. In September, divers will commonly experience temperatures of approximately 27–29°C, although cooler areas or thermoclines can sometimes be encountered.

Some divers are comfortable in a 3 mm shorty, while others prefer a full-length 3 mm wetsuit. Your choice should depend on your personal sensitivity to cold and the number of dives you plan to make.

A diver completing one shallow dive may feel perfectly warm in a short wetsuit. Someone making three dives a day for several consecutive days may become colder over time, even in tropical water.

Oceans 5 provides the appropriate basic diving equipment for guests booking dives or courses. Divers are also welcome to bring their own masks, dive computers or exposure protection if they prefer familiar equipment.

What Is the Visibility Like?

Underwater visibility around the Gili Islands is often good in September, but it should never be guaranteed.

Visibility can change because of plankton, tides, currents, wind, rainfall and local water movement. One site may offer clear water while another side of the islands has reduced visibility on the same day.

Rather than promising a particular number of metres, a professional dive centre should select the site according to the actual conditions. Good visibility is enjoyable, but it is not the only thing that makes a dive worthwhile. Some of the most interesting macro animals are found in areas that do not always have perfect visibility.

Divers should also understand that plankton in the water is not necessarily bad news. Plankton is an important part of the marine food web and can attract feeding marine animals.

Are There Strong Currents in September?

Currents are a normal part of diving around the Gili Islands. They are influenced more by tides, moon phases, water movement through the Lombok Strait and the individual dive site than by the name of the month.

The Lombok Strait forms part of the Indonesian Throughflow, an important system that transfers water between the Pacific and Indian Oceans [2]. This movement contributes to the changing currents experienced around the Gili Islands.

Some dives may have very little current. Others may become drift dives. Conditions can also change during the dive.

This does not mean that the Gili Islands are unsuitable for beginners. It means that the dive site, entry point and dive plan must match the divers’ experience.

At Oceans 5 Gili Air, local dive professionals:

• Check the current before entering the water
• Choose entry points based on the conditions
• Adapt the dive plan when necessary
• Keep certified diving groups to a maximum of four divers per guide
• Carry and use a surface marker buoy
• Give a site-specific briefing before the dive

The best site is not necessarily the most famous site. It is the site offering the best and safest experience for that particular group at that particular time.

What Marine Life Can You See in September?

The waters surrounding Gili Air, Gili Meno and Gili Trawangan are part of the Gili Matra National Marine Conservation Area. Indonesia’s Ministry of Marine Affairs and Fisheries describes the area as important habitat for coral reefs, seagrass, turtles and reef sharks [3].

September divers may encounter:

• Green turtles
• Hawksbill turtles
• Whitetip reef sharks
• Blacktip reef sharks
• Blue-spotted stingrays
• Moray eels
• Pufferfish
• Angelfish
• Butterflyfish
• Surgeonfish
• Trevallies
• Clownfish
• Cuttlefish
• Octopus
• Nudibranchs

Turtles are among the best-known animals around the Gili Islands, but they should never be treated as guaranteed attractions. They are wild animals moving freely through a protected marine environment.

There is also much more to Gili diving than turtles.

Divers who slow down and look carefully may find frogfish, pipefish, flatworms, nudibranchs, scorpionfish and small crustaceans. Around Gili Air, some of the most rewarding dives are those where the guide pays attention to the smaller animals hiding between coral, rubble and seagrass.

The official Indonesian tourism website also highlights the reefs, turtles and marine activities of the Gili Islands as important attractions for visitors to Lombok [4].

Is September Suitable for Beginner Divers?

Yes. September can be an excellent time to learn to dive on Gili Air.

Good training is not created by the month alone. It depends on the instructor, group size, facilities, dive-site selection and the way skills are taught.

At Oceans 5 Gili Air, Open Water Diver students begin in one of two purpose-built training pools. This gives students time to become comfortable with their breathing, equipment and buoyancy before entering the ocean.

During the course, students are taught to perform their skills while neutrally buoyant whenever possible. The goal is not simply to complete a checklist. The goal is to create divers who can control their position, protect the reef and respond calmly underwater.

Beginners should not automatically be taken to a site simply because it is famous. If currents or surface conditions are unsuitable, a different site may provide a safer and more enjoyable learning environment.

Flexible Diving From Gili Air

One of the advantages of diving with Oceans 5 is the flexible daily schedule.

Oceans 5 normally operates three scheduled daytime dive departures:

• 08:30
• 11:30
• 14:30

Night dives are available on request.

Divers do not have to commit to a compulsory two-dive or full-day package. You can choose one dive, return to the dive centre, relax by the pool, have lunch or explore Gili Air before deciding whether you want to dive again.

This one-dive-at-a-time system is particularly comfortable for:

• New divers
• Families
• Underwater photographers
• Divers travelling with non-diving partners
• Guests who do not want to spend the entire day on a boat
• Divers who prefer a relaxed holiday schedule

The dive sites around the three Gili Islands are generally reached by boat, with many sites located within approximately 10–30 minutes of Gili Air.

Responsible Diving Inside a Marine Conservation Area

The Gili Islands are not simply a tropical diving destination. They are located inside a nationally managed marine conservation area [3].

In 2024, the International Maritime Organization also designated Gili Matra and Nusa Penida as a Particularly Sensitive Sea Area. This international designation recognises the ecological importance and vulnerability of these waters to shipping-related impacts [5].

Divers therefore have a responsibility to minimise their impact.

Responsible behaviour includes:

• Maintaining neutral buoyancy
• Never standing or kneeling on coral
• Not touching or chasing marine animals
• Keeping a respectful distance from turtles and- Keeping a respectful distance from turtles sharks
• Securing gauges and alternate air sources
• Avoiding contact with the reef while taking photographs
• Following the guide’s instructions
• Taking nothing from the ocean
• Leaving no rubbish behind

At Oceans 5, conservation is integrated into diver training and daily operations. Dive professionals are expected to act as ocean ambassadors and demonstrate the behaviour they want their guests and students to follow.

Why Choose Gili Air in September?

Gili Air offers a balance that is difficult to find elsewhere.

It has restaurants, accommodation and enough activity to make a holiday enjoyable, while retaining a calmer atmosphere than Gili Trawangan. There are no cars on the island, and Oceans 5 is located only a short walk from the harbour.

For divers, its location provides access to sites around Gili Air, Gili Meno, Gili Trawangan and the Lombok coast. This allows the dive team to choose between different areas according to the day’s weather, currents and diver experience.

Oceans 5 also offers:

• Maximum four certified divers per guide
• Local, professionally certified dive guides
• Two purpose-built training pools
• Three dive boats
• Daily recreational diving
• Beginner through professional SSI training
• Nitrox and 15-litre tanks on request
• Night diving
• Marine-ecology speciality courses
• A long-term commitment to marine conservation

September Diving: Come Prepared, but Stay Flexible

September is generally a great month to dive the Gili Islands, but the ocean does not follow a fixed calendar.

Weather forecasts, visibility estimates and seasonal averages can help you plan your holiday. They cannot predict the exact conditions at Shark Point, Turtle Heaven, Hans Reef or any other dive site at the moment you enter the water.

The best diving comes from combining preparation with flexibility.

Listen to the local dive team. Choose sites based on actual conditions. Respect the marine park. Control your buoyancy. Look beyond the most famous animals—and remember that sometimes the smallest creature becomes the highlight of the dive.

At Oceans 5 Gili Air, we do not promise that every September dive will be identical. We promise to evaluate the conditions, select an appropriate dive site and do our best to give every diver a safe, responsible and memorable experience.

Frequently Asked Questions

Is September a good time to dive the Gili Islands?

Yes. September usually offers warm water, generally favourable weather and access to dive sites around Gili Air, Gili Meno and Gili Trawangan. Conditions can still vary daily.

What is the water temperature in September?

Water temperatures are commonly around 27–29°C, although thermoclines and cooler water are possible. Many divers use a 3 mm wetsuit.

Is the visibility good in September?

Visibility is often good, but it cannot be guaranteed. It is affected by tides, currents, plankton, rainfall and local weather conditions.

Are the currents strong?

Some dives have little current, while others become drift dives. Currents depend on the tide, moon phase and location. The dive team should select sites appropriate for the experience of the group.

Can beginners learn to dive in September?

Yes. September is suitable for beginner courses when the dive centre uses appropriate training facilities and chooses sites according to the conditions.

Can I see turtles in September?

Green and hawksbill turtles live around the Gili Islands throughout the year, so sightings are common. However, no responsible dive centre should guarantee an encounter with a wild animal.

Can I see sharks around the Gili Islands?

Whitetip and blacktip reef sharks can be seen around the Gili Islands. They are generally shy and should be observed calmly without chasing, touching or surrounding them.

Do I have to book two dives?

Not at Oceans 5 Gili Air. Divers can join individual departures and decide how many dives they would like to make each day.

How many daytime dives does Oceans 5 offer?

Oceans 5 normally schedules three daytime departures at 08:30, 11:30 and 14:30. Night dives can be arranged on request.

Should I book in advance?

Advance booking is recommended if you need accommodation, are travelling with a family or want to complete a course. Fun divers may also benefit from booking ahead, even though September is usually less crowded than the busiest summer weeks.

References

[1] BMKG – Indonesia’s official Meteorology, Climatology and Geophysics Agency. Weather observations, climate information and forecasts: BMKG Climate Information

[2] Sprintall, J. et al. The Indonesian Seas and Their Role in the Coupled Ocean–Climate System. Nature Geoscience. Background on the Indonesian Throughflow and water movement through the Indonesian seas: Nature Geoscience

[3] Indonesian Ministry of Marine Affairs and Fisheries – Gili Matra conservation information. The area contains important coral-reef, seagrass, turtle and reef-shark habitats: BKKPN Kupang and Gili Matra Conservation

[4] Indonesia Travel – Official tourism information covering Lombok, the Gili Islands, diving, reefs and turtles: Lombok Attractions and the Gili Islands

[5] Indonesian Ministry of Marine Affairs and Fisheries – IMO designation of Gili Matra and Nusa Penida as a Particularly Sensitive Sea Area: Gili Matra PSSA Designation

Dive Holiday

You have finally arrived at your diving destination.

Perhaps you travelled for twenty hours, changed planes several times and crossed multiple time zones. You are excited to get underwater, and you immediately start thinking about deep reefs, strong drift dives, sharks or the most famous dive site in the area.

It is understandable that you want to begin with the biggest adventure.

But your first dive of the holiday should usually be the easiest one.

This does not mean that you are an inexperienced diver. It does not take anything away from your certification or number of logged dives. It is simply a sensible way to become comfortable with your equipment, evaluate your current diving skills and adjust to a new environment.

At Oceans 5 Gili Air, we believe that a relaxed first dive can make the rest of your diving holiday safer, more comfortable and ultimately more enjoyable.

Certification Does Not Tell Us When You Last Dived

A certification card confirms that you completed a recognized training program. It does not show how frequently you have been diving since completing that program.

Two divers may both hold an Advanced Open Water or Advanced Adventurer certification, but their recent experience can be completely different.

One may have completed 40 dives during the previous year. The other may have completed 100 dives in total but has not entered the water for two years.

Who is currently more comfortable underwater?

The total number of logged dives matters, but recent experience can be more relevant when planning the first dive.

Scuba skills require practice. Divers Alert Network explains that diving skills can begin to deteriorate after as little as six months of inactivity, although the rate of decline differs between individuals [1].

You may remember how to clear your mask, recover your regulator and share air. But remembering the steps is not necessarily the same as performing those skills calmly while maintaining neutral buoyancy.

This is why Oceans 5 always asks:

• What certification do you hold?
• How many dives have you completed?
• When was your last dive?
• Where did you complete your recent dives?
• Are you comfortable in current?
• Do you have experience with drift diving?
• Are you using your own or rental equipment?
• Is there anything that makes you nervous?

These questions are not an examination. They help us organize an appropriate first experience.

A Diving Holiday Often Begins With Travel Fatigue

Most divers do not arrive on Gili Air after a quiet night’s sleep and a relaxing morning.

They may have taken an international flight to Bali, Jakarta or Lombok. They may have continued by car and boat before walking to their accommodation in the tropical heat.

Travel can affect:

• Sleep
• Hydration
• Concentration
• Energy levels
• Digestion
• General comfort
• Ability to make decisions

Divers can also feel pressure to begin diving immediately because they have limited holiday time or have already paid for their trip. DAN notes that travel arrangements, prepaid dives and group expectations can encourage people to dive even when they are not feeling their best. Diving while unwell or physically stressed can reduce safety margins before the descent even begins [2].

Being excited does not mean you are fully rested.

Your first dive should give you time to settle into the holiday rather than immediately adding unnecessary difficulty.

If you feel exhausted, unwell or unable to concentrate, the right decision may be to postpone the dive entirely. Missing one dive is better than forcing yourself underwater when you are not ready.

New Destination, New Diving Environment

Even when you have been diving recently, every destination is different.

You may be accustomed to:

• Cold water and a dry suit
• Warm water and minimal exposure protection
• Shore entries
• Large liveaboard boats
• Calm lakes
• Wreck diving
• Low visibility
• Fixed descent lines
• Strong ocean currents
• Diving with your regular buddy

Arriving on Gili Air introduces a new environment.

Diving around the Gili Islands commonly involves boat entries, drift diving and surface pickups. Water movement can vary between sites and throughout the day. The entry point, underwater route and pickup location must be selected according to the actual conditions.

A diver with hundreds of cold-water dives may still need time to adjust to drift diving. A diver accustomed to calm tropical reefs may feel uncomfortable when the current increases.

Experience is not a single number. It is connected to the environment in which that experience was gained.

An easy first dive allows you to understand how diving around the Gili Islands is organized before attempting something more demanding.

Rental Equipment Requires Adjustment

Even experienced divers need time to become comfortable with unfamiliar equipment.

A rental BCD may provide lift differently from your own. The weight system may use pockets instead of a belt. The inflator may be positioned slightly differently, and the alternate air source may not be where your hand automatically expects it to be.

You may also need to adjust:

• Exposure protection
• Weight
• Tank position
• BCD straps
• Mask fit
• Fin style
• Regulator hose position
• Dive-computer settings

SSI warns that unfamiliar, poorly fitting or inadequate equipment can create stress and potentially contribute to panic. It recommends checking equipment before every dive [3].

The time to discover that your weighting needs adjustment is not while descending into a strong current at a deep site.

An easy first dive provides a controlled opportunity to confirm that everything fits, functions and feels comfortable.

Buoyancy May Feel Different

Buoyancy is influenced by more than a diver’s certification level.

Changes in equipment, cylinder material, exposure protection, body composition and water conditions can all affect weighting and trim.

You may have excellent buoyancy at home with your own equipment but initially feel less controlled in rented tropical equipment.

During a relaxed first dive, you can rediscover:

• The correct amount of weight
• Your breathing rhythm
• The position of the cylinder
• How the BCD responds
• Your most comfortable swimming position
• How much gas to add or release during depth changes
• How your buoyancy changes near the end of the dive

This adjustment should happen over a suitable bottom—not above fragile coral in difficult conditions.

At Oceans 5, we follow a no-unnecessary-touching philosophy. We teach ocean skills neutrally buoyant and expect our dive professionals to demonstrate good trim, buoyancy and environmental awareness.

Selecting an easier first dive supports that philosophy. It gives a returning diver space to regain control without placing unnecessary pressure on either the diver or the reef.

Your First Dive Helps Us Understand You

A registration form can give us useful information, but it cannot show us how you actually dive.

Your first dive allows the Oceans 5 Divemaster to observe:

• Your comfort during equipment preparation
• Your entry technique
• Your breathing at the surface
• Your descent control
• Your buoyancy and trim
• Your position in relation to your buddy
• Your reaction to current
• Your awareness of depth
• Your air consumption
• Your communication
• Your behaviour around coral and marine life
• Your comfort during the safety stop and ascent

This is not about secretly judging divers.

It helps us make better decisions for the following dives.

A diver who appears nervous before entering may become completely relaxed once underwater. Another diver may confidently describe hundreds of dives but struggle with buoyancy or air consumption.

We organize the next dive based on what we learn—not only on what is printed on a certification card.

Easy Does Not Mean Boring

Some divers hear “easy dive” and imagine an empty sandy area with nothing to see.

That is not what we mean.

An easier dive may still offer:

• Sea turtles
• Colourful reef fish
• Healthy coral
• Nudibranchs
• Moray eels
• Cuttlefish
• Octopuses
• Rays
• Schooling fish
• Interesting reef formations

The difference is that the depth, current, entry, route and overall complexity are selected to create a comfortable first experience.

Around Gili Air, a shallow coral slope or protected site can be far more enjoyable than forcing a deep or fast drift before the diver is ready.

The quality of a dive should not be measured only by maximum depth.

A relaxed diver generally has more time to observe the reef, improve buoyancy, communicate with the guide and notice small marine life.

Why Oceans 5 Requires a Refresher After Six Months

At Oceans 5 Gili Air, divers who have not dived for six months or longer must complete a scuba refresher before joining regular fun dives.

This policy is deliberately more cautious than waiting one or two years.

DAN explains that skills can begin to degrade after approximately six months of inactivity, even though many instructors consider a break of one to two years a definite reason for refresher training [1]. DAN also recommends refresher training as part of a safe return after time away from diving [4].

We do not believe there is a perfect universal number that describes every diver.

A person with 1,000 logged dives who stopped for six months is different from someone with six dives who stopped for the same period. Age, health, confidence, experience and previous training all matter.

However, a clear six-month policy avoids guessing.

It allows the instructor to review important knowledge and skills before the diver returns to the ocean. The objective is not to make experienced divers feel like beginners. It is to reactivate abilities that may not have been used recently.

A refresher may include reviewing:

• Equipment assembly
• Pre-dive safety checks
• Regulator recovery and clearing
• Mask clearing
• Buoyancy control
• Air-sharing procedures
• Hand signals
• Gas awareness
• Safe ascent procedures
• Weighting
• Emergency skills

DAN emphasizes that essential skills must be reviewed and practised, even by experienced divers, because procedures can be forgotten when they have not been used for a long time [5].

After the refresher, the first ocean dive should still be appropriate for the diver’s present comfort—not the most challenging option available.

Why We Do Not Begin by Testing You

There is a difference between evaluating a diver and testing their pride.

A returning diver does not need to be placed in difficult conditions to prove that they still deserve their certification. The purpose of the first dive is to rebuild familiarity, not to create an unnecessary challenge.

Pressure can cause divers to hide discomfort.

They may think:

• “Everyone else is more experienced.”
• “I do not want to delay the group.”
• “I already said that I was comfortable.”
• “I paid for this dive.”
• “I should be able to do this.”
• “I do not want the guide to think I am a bad diver.”

These thoughts can prevent someone from admitting that they feel nervous, cold, tired or improperly weighted.

SSI recommends reducing the risk of stress and panic by respecting personal limitations, diving regularly and increasing the complexity of dives gradually [6].

At Oceans 5, asking for an easier first dive is not a sign of weakness.

It is evidence of good judgment.

Small Groups Make the First Dive More Personal

Oceans 5 normally limits fun-diving groups to a maximum of four certified divers per Divemaster.

This makes it easier for the guide to observe how each person is doing.

If someone needs additional time at the surface, help with weighting or a slower descent, a small group provides more flexibility. The Divemaster can also notice subtle signs of discomfort before they become larger problems.

We try to group divers according to:

• Certification
• Experience
• Recent activity
• Comfort in current
• Air consumption
• Preferred depth
• Nitrox certification
• Photography interests
• Marine-life interests

The first dive gives us more information for organizing the next departure.

Because Oceans 5 returns to Gili Air after every dive, the groups can be reorganized. A diver who feels comfortable after the first dive can join a more advanced group later, while someone who wants another relaxed dive can continue at an easier pace.

Your entire holiday does not have to be decided before the first descent.

Let the Holiday Build Gradually

A well-planned diving holiday should progress.

For example:

1. Complete a refresher if required.
2. Begin with a comfortable, relatively shallow dive.
3. Confirm weighting, buoyancy and equipment.
4. Allow the guide to observe air consumption and current comfort.
5. Discuss the dive honestly after returning.
6. Select the next site based on what was learned.
7. Gradually add depth, current or other complexity when appropriate.

This approach does not reduce adventure.

It creates a stronger foundation for it.

Once you are relaxed, properly weighted and familiar with the local procedures, you are better prepared to enjoy deeper reefs, drift dives, night dives or more demanding sites within the limits of your certification and experience.

Your First Dive Is Not an Audition

Diving is not a performance.

You do not need to impress the Divemaster, compete with the other guests or demonstrate your maximum depth on the first day.

Be honest about:

• Your last dive
• Your experience
• Your medical condition
• Your confidence
• Your air consumption
• Your concerns
• Your equipment familiarity
• Anything you would like to practise

Your guide can make better decisions when given accurate information.

Pretending to be comfortable does not create confidence. It only removes the opportunity for the dive team to help.

A professional dive centre will appreciate honesty because it allows the team to plan correctly.

One Comfortable Dive Can Change the Whole Holiday

The first dive influences everything that follows.

A rushed or overly demanding first experience can damage confidence. The diver may start worrying about the next dive before it has even begun.

A calm first dive can have the opposite effect.

You return to the surface remembering that you can:

• Control your buoyancy
• Breathe calmly
• Communicate underwater
• Manage your equipment
• Follow the guide
• Respond to current
• Complete a controlled safety stop
• Enjoy being underwater

That confidence becomes the foundation for the rest of the holiday.

Start Easy and Finish Strong

The objective of your diving holiday is not to complete the most difficult dive as quickly as possible.

It is to enjoy the underwater world safely and comfortably throughout your stay.

At Oceans 5 Gili Air, we would rather begin with a relaxed dive, understand your abilities and gradually build the experience than place you immediately into conditions that are not suitable.

If your last dive was six months ago or longer, we will begin with a refresher. If you have been diving recently but are unfamiliar with local conditions or rental equipment, we may still recommend a comfortable first site.

After every dive, we return to the centre, discuss the experience and organize the next departure.

You may begin with an easy coral slope and later explore deeper reefs or faster drifts. There is no disadvantage in taking that first step carefully.

Your first dive does not have to be the most adventurous dive of the holiday.

It should be the dive that prepares you to enjoy everything that comes next.

Frequently Asked Questions

Why should my first dive be an easy one?

An easier first dive allows you to become comfortable with your equipment, confirm your weighting, adjust to local conditions and regain your normal breathing and buoyancy control. It also gives the guide an opportunity to understand your current ability and comfort.

Does an easy first dive mean there will be nothing interesting to see?

No. An easier dive refers to manageable depth, current and overall complexity—not the absence of marine life. Shallow sites around the Gili Islands can offer turtles, coral, reef fish, octopuses, nudibranchs and many other animals.

Do experienced divers also benefit from an easy first dive?

Yes. Even highly experienced divers may be tired after travelling, unfamiliar with rental equipment or new to local current patterns. Experience should help a diver recognize the value of a gradual start.

When does Oceans 5 require a scuba refresher?

Oceans 5 requires a refresher when a diver’s last dive was six months ago or longer. We may also recommend additional preparation when a diver has limited experience, feels uncomfortable or has not previously dived in similar conditions.

Why does Oceans 5 use a six-month rule?

Diving skills can begin to deteriorate after periods of inactivity, and the rate differs between individuals [1]. A clear six-month policy avoids making assumptions and ensures that essential knowledge and skills are reviewed before regular fun diving.

Will I lose my certification if I have not dived for a long time?

A scuba certification does not normally expire simply because you have not been diving. However, a dive centre may require a refresher or additional evaluation before allowing you to join regular dives. A valid card does not guarantee that all practical skills remain current.

What skills are reviewed during a refresher?

A refresher commonly includes equipment preparation, pre-dive checks, mask clearing, regulator recovery, buoyancy, air sharing, gas monitoring, hand signals and safe ascent procedures. The precise session depends on the program and the diver’s needs.

Can I refuse a refresher if I feel confident?

You may choose not to dive with a particular operator, but Oceans 5 applies its six-month refresher policy to protect the diver, the group and the dive team. Feeling confident does not always mean that all practical skills remain current.

What happens after my first dive?

The guide can discuss your buoyancy, air consumption, equipment, comfort and preferences with you. Because Oceans 5 returns to the centre after every dive, we can reorganize groups and select an appropriate plan for your next departure.

Can I request a deeper or more challenging dive later?

Yes, provided the dive is suitable for your certification, experience, recent diving performance and the prevailing conditions. Site selection also depends on currents, weather, group composition and operational requirements.

What if I feel uncomfortable during the first dive?

Signal the guide immediately. You never need to continue a dive simply because others want to continue. The team can help solve the problem, adjust the plan or end the dive when necessary.

Should I dive immediately after a long journey?

Only if you are rested, healthy, hydrated and able to concentrate. If you feel unwell or excessively tired, postponing the dive is the better decision. Holiday schedules and prepaid activities should never take priority over fitness to dive.

How large are Oceans 5’s fun-diving groups?

Oceans 5 normally places a maximum of four certified divers with one Divemaster. We also try to match divers according to certification, experience, recent activity and interests.

Can my first dive be a night dive?

That is generally not the best choice when you are returning after a break or are unfamiliar with the location. SSI recommends gaining comfort during daytime diving and becoming familiar with a site before adding the additional demands of night diving [7].

References

1. Divers Alert Network. Diving Skills Refresher. Explains that diving skills require practice and can begin to degrade following periods of inactivity. DAN Diving Skills Refresher
2. Divers Alert Network. A Timeline of Decompression Stress. Discusses how travel, prepaid trips and group pressure may encourage divers to enter the water when they are unwell or otherwise stressed. DAN: A Timeline of Decompression Stress
3. Scuba Schools International. Equipment Familiarity and Stress. Explains how unfamiliar or poorly fitting equipment can cause stress and emphasizes checking equipment before diving. SSI Equipment Guidance
4. Divers Alert Network. Return to Diving Safely. Recommends reviewing health, fitness, equipment, knowledge and diving skills after a period away from the water. DAN: Return to Diving Safely
5. Divers Alert Network. Never Too Experienced to Refresh Skills. Uses a diving incident to illustrate why essential procedures should be reviewed and practised even by experienced divers. DAN: Never Too Experienced to Refresh Skills
6. Scuba Schools International. Dive Panic: Why It Happens and How to Prevent It. Recommends regular diving, respect for personal limitations and gradually increasing dive complexity to manage stress. SSI: Preventing Dive Panic
7. Scuba Schools International. Essential Tips for Beginner Night Divers. Recommends becoming comfortable during daytime diving and learning a site before adding the challenges of night diving. SSI Night-Diving Guidance