40m
    Chuuk (Truk) Lagoon, Micronesia

    FUJISAN 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 - FUJISAN 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 40m
    StandoutExceptional marine biodiversity

    The Fujisan Maru is one of those wrecks that just makes you stop and stare. She’s a big one, a tanker, 150 metres long, sitting upright in about 40 metres. What we love about her is how intact she is, even after all these years. Drop down the stern and you’ll find the props still there, massive things, completely encrusted with sponges. Our favourite spot has to be the bow. There’s a cargo hold forward, usually full of light when the sun’s high, and inside you can still see stacks of sake bottles, maybe a few cases of beer too – eerie to think about the last time anyone handled them. Further along, the bridge structure is flattened but we often find grey reef sharks cruising over it, almost like they’re patrolling. The sheer size of her is impressive, but it’s the smaller details, the glass bottles, the way the light filters through the holds, that really get you. We’d suggest saving this dive for mid-morning; the sun angle really brings out the colours on the corals that have started to grow on the superstructure. It’s a dive for those who appreciate history and don’t mind a bit of depth.

    Typical FUJISAN MARU Dive Profile

    15m30m45mSafety Stop0m40m max~20 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

    Deep dive (40m) - 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.

    Today05:4017:4012h 0m daylightGolden hour 17:12

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    Conditions

    Ocean conditions, forecast and tides for FUJISAN MARU

    FUJISAN MARU Ocean Conditions

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

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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