Oryoku Maru
Protected Area
Sabang Marine Protected Area
Why dive here
With 57+ marine species recorded in the area - including blacktip reef sharks - Oryoku Maru offers some of Subic Bay's richest wreck diving. Water ranges 27-32°C, warmest May, June, July.
The Oryoku Maru in Subic Bay is a visceral piece of history, a Japanese 'hell ship' sunk during WWII. Dropping onto its deck, you're immediately struck by the scale of it all – the sheer length, the huge cargo holds gaping open. We love exploring the bow, where the anti-aircraft gun is still mounted, pointing skyward. It’s a stark reminder of its past. Inside the holds, light filters down, illuminating schools of fusiliers swirling like silver confetti. Look for lionfish tucked into shadowy corners and moray eels peeking from pipes. The engine room is a highlight, for us, if you're comfortable with overhead environments. The machinery is still largely intact, covered in soft corals and sponges. We'd suggest going on a weekday if you can, as it gets popular, and try for a morning dive before the currents pick up too much. It’s an incredible wreck dive, suited for experienced divers comfortable with deeper profiles and potential currents, offering a profound sense of history interwoven with thriving reef life.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Nearest Dive Centres to Oryoku Maru
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Conditions
Ocean conditions, forecast and tides for Oryoku Maru
Oryoku Maru Ocean Conditions
Monthly averages for Oryoku Maru, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (14.67, 120.67) (22km away)
October Averages
Sea Temperature
30°C
86°F · Range: 28.8–31.5°C
Current Speed
2.24 cm/s
Direction: NW (296.6°)
Chlorophyll-a
0.071 mg/m³
Very clear (oligotrophic)
Salinity
31.3 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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