40m
    Southern Islands, Singapore
    Labrador Nature Reserve

    TOSA MARU (STERN SECTION)

    Best months: Jan–Mar

    Protected Area

    Labrador Nature Reserve

    Why dive here

    With 263+ marine species recorded in the area - including blue-spotted stingrays, dugongs, giant moray eels, seahorses and sea turtles - TOSA MARU (STERN SECTION) 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

    Okay, the Tosa Maru’s stern section. This isn't just another chunk of metal, it’s a proper deep wreck dive, and frankly, one of Singapore’s best if you know what you’re doing. Dropping onto the stern at 40 metres, you immediately feel the scale of this tanker. We love exploring the huge propeller, often shrouded in schooling fusiliers, their silver bodies flashing as they dart through the gloom. Visibility can be a real mixed bag out here, but on a good day, the structure itself is impressive. We've spent dives just slowly tracing the deck lines, peering into collapsed hold sections. Look closely for the resident bamboo sharks tucked under ledges, and we often spot substantial groupers lurking in the shadows. This is a dive for experienced wreck enthusiasts; the depth and potential currents mean you need to be comfortable in low visibility and have solid buoyancy control. Get it right, and it’s a truly rewarding dive.

    Typical TOSA MARU (STERN SECTION) 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.

    Today05:4917:5512h 6m daylightGolden hour 17:27

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    Conditions

    Ocean conditions, forecast and tides for TOSA MARU (STERN SECTION)

    TOSA MARU (STERN SECTION) Ocean Conditions

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

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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