10-35m
    Chuuk (Truk) Lagoon, Micronesia

    Shinkoku Maru

    Best months: Jan–May

    Why dive here

    With 195+ marine species recorded in the area - including barracuda, blacktip reef sharks, eagle rays, grey reef sharks and whitetip reef sharks - Shinkoku Maru offers some of Chuuk (Truk) Lagoon's richest wreck diving. Water ranges 29-30°C, warmest August, October, November.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Eagle Rays, Grey Reef Sharks and Whitetip Reef Sharks · 195+ species recorded
    Water29-30°C · warmest August, October, November
    CharacterWreck dive · max 10-35m
    StandoutExceptional marine biodiversity

    The Shinkoku Maru is a beast of a wreck, a tanker that really shows you the sheer scale of Operation Hailstone. We love that it’s relatively shallow on the deck, so you get plenty of bottom time to explore the superstructure and its coral growth. Head down into the engine room, and you’ll find the engine telegraph still there, a real chill down your spine moment. Our favourite spot has to be the operating room with the ceramic basins and surgical tools still laid out – it’s incredibly poignant. Outside, the growth of staghorn corals is impressive, drawing in schools of blue-lined tangs and parrotfish. You'll often see gray reef sharks patrolling the deeper sections. This wreck is perfect for divers who want to spend time exploring interior spaces and appreciate the way history and nature have merged. It’s a photographer’s dream, too, with endless compositions around every corner.

    Typical Shinkoku Maru Dive Profile

    5m10mSafety Stop0m10m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

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

    Today05:4117:4012h 0m daylightGolden hour 17:13

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    Conditions

    Ocean conditions, forecast and tides for Shinkoku Maru

    Shinkoku Maru Ocean Conditions

    Monthly averages for Shinkoku Maru, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (7.41, 151.84) (2km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.3–31.4°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    6.4 m/s

    12.4 knots

    Atmospheric Pressure

    1009.4 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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