OMSINI

Best months: May–Sep

Why dive here

With 84+ marine species recorded in the area - including whale sharks and mantis shrimp - OMSINI offers some of Cenderawasih Bay's richest wreck diving. Water ranges 27-31°C, warmest January, March, December.

Best timeMay–Sep

WetsuitA 3mm shorty or thin full wetsuit

Marine lifeWhale Sharks and Mantis Shrimp · 84+ species recorded

Water27-31°C · warmest January, March, December

CharacterWreck dive

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.

Safety Notes

Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

Today05:4117:5012h 10m daylightGolden hour 17:23

Reviews for OMSINI

Conditions

Ocean conditions, forecast and tides for OMSINI

OMSINI Ocean Conditions

Monthly averages for OMSINI, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-3.8, 134.2) (18km away)