40m
    Southern Islands, Singapore

    NICHINAN MARU

    Best months: Jan–Mar

    Why dive here

    With 263+ marine species recorded in the area - including blue-spotted stingrays, dugongs, giant moray eels, seahorses and sea turtles - NICHINAN MARU offers some of Southern Islands's richest wreck diving. Water ranges 28-31°C, warmest May, June, November.

    Best timeJan–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue-Spotted Stingrays, Dugongs, Giant Moray Eels, Seahorses and Sea Turtles · 263+ species recorded
    Water28-31°C · warmest May, June, November
    CharacterWreck dive · max 40m
    StandoutExceptional marine biodiversity

    The Nichinan Maru, down at 40 metres, isn't your typical Singapore dive. Forget the usual shallow reefs; this is deep, dark, and utterly atmospheric. We love it because it’s a proper wreck dive, a piece of history resting upright on the seabed. She’s a large steamship, torpedoed in 1944, and her story feels palpable when you’re down there, gliding over her decks. Visibility can be hit or miss, so pick your day. On a good day, though, the sheer scale of the Nichinan Maru reveals itself. We’ve found huge groupers lurking in her holds and a surprising number of lionfish perched on the rails, their spines fanning out. Look closely and you’ll spot nudibranchs, often some species we don’t see elsewhere in Singapore. It’s a dive for advanced wreck enthusiasts, those who appreciate the quiet solitude of a deep historical site, and who don’t mind working a bit for the reward. Our favourite part is always the bow, a dramatic sight emerging from the gloom.

    Typical NICHINAN 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.

    Today05:5317:5912h 5m daylightGolden hour 17:31

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    Conditions

    Ocean conditions, forecast and tides for NICHINAN MARU

    NICHINAN MARU Ocean Conditions

    Monthly averages for NICHINAN MARU, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (1.18, 103.96) (8km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.5–31.1°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.07 m/s

    7.9 knots

    Atmospheric Pressure

    1009.8 hPa

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

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