Diving at Batu Lima (Indonesia)
Batu Lima, Indonesian for 'Five Rocks,' marks the entrance to Kabui Bay in Raja Ampat. On Gam Island's eastern side, within the northeastern Dampier Strait, it showcases a dramatic interplay of robust underwater rock formations and vibrant marine ecosystems. Here, dramatic topography meets rich biodiversity for an immersive experience.
Evening condition tracking at Batu Lima features an air temperature of 29.5°C. We have recorded wave heights measuring 0.3 m during this period. These figures outline the environmental parameters currently present.
Dive Site Location & Key Facts
Dive Site Overview
Diving Batu Lima presents an immediate visual feast, defined by its namesake: five prominent rock formations. These dramatic pinnacles form a vibrant wall dive that transitions into a sloping reef, creating an aesthetically arresting backdrop.
Divers navigate through numerous canyons separating these formations, where the walls are blanketed in exceptionally healthy corals. Expect to find vast arrays of colorful soft corals, delicate black corals, and impressive purple gorgonian fans blooming just meters from the surface. Exploring the north-eastern side allows for dives to approximately 24 m (79 ft).
Currents here are variable, often mild to medium, presenting a comfortable drift, though stronger flows can occur. Careful timing, often planned around slack tide, proves beneficial for all diver levels to mitigate potential challenges.
Visibility typically holds around 15 m (50 ft), allowing clear views of bustling schools of fusiliers, inquisitive batfish, and diligent surgeonfish that patrol the reef. Deeper sections and coral overhangs provide vital refuge for various macro life, while also serving as prime hunting grounds for larger pelagics moving through the channel.
Conditions are Good
07:00 - 14:00
Optimal conditions expected
Current conditions near Batu Lima show 30° air, 30° sea temperature, 0.4 m waves, and 29 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Planning a dive at Batu Lima often revolves around maximizing consistent visibility, which averages around 15 m (50 ft). Such underwater clarity contributes to the site's consistently high dive scores, ranging from Good to Excellent year-round. Comfortable surface conditions prevail, with air temperatures hovering between 26.5-27.5°C (80-82°F) throughout the year. Rainfall remains moderate, typically ranging from 6.4 to 14.7 mm monthly, with no distinct heavy rainy season significantly impacting dive conditions. Manageable wind speeds, usually between 11.9-14.9 km/h (7.4-9.3 mph), ensure comfortable boat rides to the site. Robust dive conditions are generally present, regardless of the specific month.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Exploring Batu Lima, divers descend to a maximum depth of approximately 24 m (79 ft) when navigating the north-eastern side. Shallower sections, particularly crucial for night diving, offer depths of 3 to 5 m (10 to 16 ft), revealing unique nocturnal activity. Water temperatures in this region typically range from 22-27°C (72-81°F), providing a warm and comfortable environment for extended dives. Currents are a significant factor, varying from mild to strong depending on tidal movements and specific locations around the rocks. While generally considered accessible, newer divers might prefer conditions with milder currents for a more relaxed experience. Batu Lima is notably popular for night dives, offering a different perspective on its marine inhabitants and an excellent opportunity for macro photography.
Dive Difficulty & Safety Guidelines
Currents at Batu Lima are variable, ranging from mild to strong, necessitating careful dive planning. Always assess conditions prior to entry, especially for less experienced divers, and consider diving during milder current windows. It's advisable for all divers to maintain proper buoyancy control to avoid damaging the healthy, extensive coral formations.
Due to the potential for stronger currents, carrying a surface marker buoy (SMB) and a dive computer is standard practice. Keep an adequate safety margin for no-decompression limits, particularly when exploring deeper sections.
Given the abundant marine life, practice responsible diving by avoiding contact with corals or animals, ensuring minimal impact on the ecosystem.
Recommended Equipment
- Dive Computer
- DSMB
This gear list is based on verified equipment signals for Batu Lima, Indonesia. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Divers who spend more time observing marine life often prefer slightly warmer gear.
Environmental readings suggest that the waters surrounding Batu Lima are about 30°C (86°F) at the moment. Surface air temperatures are resting at 30°C (85°F). Water temperatures in this range are often well suited to diving with dive skin or rash guard. A hood or vest is suggested for sensitive divers due to surface winds.
Weather models indicate a small drop in surface temperatures later this week. Cooler days are ahead; you might want a warmer option for later in the week. A thicker wetsuit may be worth considering for extended dives.
Emergency & Medical Support
Essential information to help you plan your dive trip to Batu Lima.
Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Batu Lima
Batu Lima showcases a diverse array of species, spanning large pelagics to intricate macro life. Large schools of barracuda and giant trevallies appear frequently, alongside seasonal manta ray sightings.
Specific areas might reveal electric clams, and there's strong potential for encountering Wobbegong sharks. Its population of indigenous Epaulette Sharks, or Raja Ampat Walking Sharks, makes it particularly notable, especially during night dives in shallower sections.
Healthy coral structures, including brilliant purple gorgonian fans and blooming soft corals, provide habitat for a multitude of smaller critters such as nudibranchs, flatworms, shrimps, crabs, and octopus, creating a hotspot for underwater photographers.
Dive Sites Near Batu Lima
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Dive Centers Near Batu Lima
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Search Flights on ExpediaFrequently Asked Questions
Where is Batu Lima located?
Batu Lima is in Raja Ampat, Indonesia. You'll find it on Gam Island's eastern side, along the pass into Kabui Bay within the Dampier Strait.
What is the maximum depth at Batu Lima?
A maximum reported depth for diving at Batu Lima is approximately 24 meters (79 ft). Divers typically reach this depth when exploring the north-eastern side of the site.
What are the typical current conditions?
Currents at Batu Lima are variable, ranging from mild to strong. Dive operators typically plan dives to align with more favorable, milder current conditions, especially for less experienced divers.
What marine life can I expect to see?
Divers can expect to see schools of barracuda, fusiliers, batfish, and surgeonfish. There's also potential for seasonal manta ray sightings, electric clams, and Wobbegong sharks. Night dives offer opportunities to observe the unique Epaulette Sharks, alongside a rich variety of macro life like nudibranchs, shrimps, and crabs.
Is Batu Lima suitable for night diving?
Yes, Batu Lima is particularly noted for its enchanted night dives. Shallow areas at 3-5 meters (10-16 ft) are ideal for observing nocturnal marine life, including the fascinating 'walking' Epaulette Sharks.
What kind of topography does Batu Lima feature?
Five large rock formations characterize the site, forming a wall dive that transitions into a sloping reef. These rocks are separated by canyons and adorned with vivid coral gardens, including impressive purple coral fans.
Is this dive site suitable for beginner divers?
Batu Lima can be suitable for beginner divers, especially during periods of mild current. However, due to variable currents, less experienced divers should consult with their dive guide to ensure conditions are appropriate for their skill level.
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Conditions are Good
07:00 - 14:00
Optimal conditions expected
Current conditions near Batu Lima show 30° air, 30° sea temperature, 0.4 m waves, and 29 km/h wind. Forecast data is refreshed regularly to ensure accuracy.