KOKUSEI MARU (POSSIBLY)
Why dive here
With 142+ marine species recorded in the area - including barracuda, blue-spotted stingrays, eagle rays, sea turtles and sperm whales - KOKUSEI MARU (POSSIBLY) offers some of Sipadan's richest wreck diving. Water ranges 29-31°C, warmest May, October, November.
The Kokusei Maru wreck, resting at 38 metres, always feels like a bit of a historical pilgrimage in Sipadan. We love the sheer size of it, a proper steamship sunk by the USS Hammerhead in 1944. Dropping down, the sheer outline of the hull emerges from the blue, often shrouded in a light haze of schooling fusiliers, which always makes us smile. Our favourite approach is to swim along the deck, peeking into the cargo holds if the current allows. You'll often find a giant moray or two tucked away in the darker recesses, their heads poking out with a wary glance. The stern, in particular, is captivating; the propeller is still mostly intact, encrusted with so many colourful sponges and small anemones that it almost glows. It's a dive for those who appreciate history intertwined with marine life, a quiet contemplation amongst the chaos of a busy reef. We always recommend trying to hit it early in the morning before the day's boat traffic kicks up any sediment.
Typical KOKUSEI MARU (POSSIBLY) Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Deep dive (38m) - monitor air consumption closely. Advanced certification recommended.
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Always perform a 3-minute safety stop at 5m before surfacing.
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Conditions
Ocean conditions, forecast and tides for KOKUSEI MARU (POSSIBLY)
KOKUSEI MARU (POSSIBLY) Ocean Conditions
Monthly averages for KOKUSEI MARU (POSSIBLY), sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (4.12, 118.63) (0km away)
October Averages
Sea Temperature
30°C
87°F · Range: 29.4–31.5°C
Current Speed
4.12 cm/s
Direction: E (104°)
Chlorophyll-a
0.055 mg/m³
Very clear (oligotrophic)
Salinity
31.68 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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