OMSINI - Cenderawasih Bay
Cenderawasih Bay has a way of throwing up surprises, and OMSINI is definitely one of our favourites. This isn't just a wreck; it's a piece of history that feels like you're diving through a forgotten museum. We're talking about a World War II Japanese fighter plane, remarkably intact, resting upright in the shallows. You can peer into the cockpit, see the gauges, even the propeller blades are still there, slowly being claimed by the coral. What we really love here is the sheer accessibility. It's so shallow, you can spend ages just cruising over the wings, watching schools of fusiliers darting in and out of the fuselage. Small reef sharks often patrol the perimeter, and we’ve spotted plenty of nudibranchs making themselves at home on the corroding metal. It’s an easy dive, perfect for photographers wanting to capture something truly unique without battling current or depth, or for anyone who just wants to soak up the atmosphere of a moment frozen in time.
- Location
- Cenderawasih Bay, Indonesia, Southeast Asia
- Coordinates
- -3.099614, 135.531740
- Type
- wreck
- Maximum Depth
- 0m
Best Time to Dive in Cenderawasih Bay
The warmest water temperatures in Cenderawasih Bay occur in November, averaging 30.7°C. The coolest conditions are in July at 29.8°C.
Monthly Water Temperatures
- January: 30.5°C
- February: 30.2°C
- March: 30.0°C
- April: 30.2°C
- May: 30.2°C
- June: 29.9°C
- July: 29.8°C
- August: 30.0°C
- September: 30.0°C
- October: 30.4°C
- November: 30.7°C
- December: 30.6°C
Nearby Dive Sites in Cenderawasih Bay
- 3 Rocks - 5-20m (pinnacle)
- Ahe Dive Resort
- Andie Reef (reef)
- Aquarium (reef)
- Bagus
- Cenderawasih Bay (reef)
- Cenderawasih Diving: West Papua, New Guinea Island
- Conservation House Reef (reef)
- Cristmas Rock
- Disney Land - 5-20m (reef)
- Dramai
- Fresh Waters
- GT Rock
- JAU-12 - 2m (wreck)
- Java Rif (reef)
Marine Life in Cenderawasih Bay
Home to 84 recorded species including 38 reef fish, 36 hard corals, 7 sea snails & nudibranchs, 1 clams & mussels, 1 sharks & rays, 1 octopus & squid.
Notable Species
- Boring Clam (Tridacna crocea) - Clams & Mussels
- Whale Shark (Rhincodon typus) - Sharks & Rays
- Staghorn coral (Acropora tenella) - Hard Corals
- cowry (Monetaria moneta) - Sea Snails & Nudibranchs
- Staghorn coral (Acropora batunai) - Hard Corals
- Montipora coral (Montipora angulata) - Hard Corals
- Staghorn coral (Acropora elegans) - Hard Corals
- Crazy Fish (Butis butis) - Reef Fish
- Lesser star coral (Cyphastrea microphthalma) - Hard Corals
- Bar Eyed Goby (Glossogobius giuris) - Reef Fish
- Grammistes Blenny (Meiacanthus grammistes) - Reef Fish
- Staghorn coral (Acropora paniculata) - Hard Corals
- Golden Flathead Goby (Glossogobius aureus) - Reef Fish
- Black Spinecheek Gudgeon (Eleotris melanosoma) - Reef Fish
- Encrusting pore coral (Montipora aequituberculata) - Hard Corals
- Hairy Scorpionfish (Scorpaenodes hirsutus) - Reef Fish
- Interrupta Glassy Perchlet (Ambassis interrupta) - Reef Fish
- Humpbacked conch (Gibberulus gibberulus) - Sea Snails & Nudibranchs
- Marbled Cone (Conus marmoreus) - Sea Snails & Nudibranchs
- Staghorn coral (Acropora solitaryensis) - Hard Corals
Recommended Packing List for OMSINI
Based on average water temperature of 30.2°C, currents 6 cm/s.
- Shorty or Rashguard - warm 30°C water needs minimal exposure protection
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories