21m
    Southern Islands, Singapore

    ARWANA

    Best months: Jan–Dec

    Why dive here

    With 263+ marine species recorded in the area - including blue-spotted stingrays, dugongs, giant moray eels, seahorses and sea turtles - ARWANA offers some of Southern Islands's richest wreck diving. Water sits around 28°C.

    Marine lifeBlue-Spotted Stingrays, Dugongs, Giant Moray Eels, Seahorses and Sea Turtles · 263+ species recorded
    Water28°C · warmest January, February, March
    CharacterWreck dive · max 21m
    StandoutExceptional marine biodiversity

    The Arwana, a carrier vessel, settled upright on the seafloor after an unfortunate encounter. She's a dangerous wreck, no doubt, but that's part of her charm – she’s not been picked clean or artificially stabilised. We love the eerie silhouette she casts against the sometimes murky Singaporean waters, a genuine challenge for navigation, even at just 21 metres. Diving Arwana feels like stepping into a forgotten corner of history. Penetration isn't really an option, but we still spend ages exploring the superstructure. Look closely at the hull and you’ll spot a surprising amount of soft coral growth, surprisingly vibrant given the low light. Our favourite game is spotting the resident batfish schools, often circling the mast in a slow, hypnotic dance. They’re usually joined by snappers and fusiliers, darting in and out of the darker sections. It’s a dive for those who appreciate the quiet mystery of a wreck, the kind of place that reveals more with each visit. Come prepared for limited visibility and you’ll be richly rewarded.

    Typical ARWANA Dive Profile

    10m20mSafety Stop0m21m max~30 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

    Depth of 21m - Advanced Open Water 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.

    Today06:0418:1012h 6m daylightGolden hour 17:42

    ARWANA Wreck History

    Vessel Type

    cargo ship

    Cause

    unknown

    The story of the Arwana is shrouded in mystery. This carrier vessel lies at a depth of 21 meters in the busy shipping lanes around Singapore's Southern Islands, but records of how and when it sank are scarce. Its official maritime classification as a 'Dangerous Wreck' adds a layer of intrigue and caution for any diver wishing to explore it. This designation typically means the wreck poses a hazard to navigation, often due to its position, structural instability, or potentially hazardous cargo.

    For divers, the Arwana presents a challenging and rewarding experience. Its 'dangerous' status means it should be approached with care, as sharp, twisted metal and potential for entanglement are ever-present. The wreck itself is an artificial reef, attracting schools of fish and other marine life seeking shelter in its decaying holds. Exploring the Arwana is a dive into the unknown, a chance to piece together clues from a forgotten maritime incident in one of the world's busiest ports.

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    Conditions

    Ocean conditions, forecast and tides for ARWANA

    ARWANA Ocean Conditions

    Monthly averages for ARWANA, sourced from NOAA buoy data - nearest station: Open-Meteo grid (1.2, 103.77) (0km away)

    August Averages

    Sea Temperature

    28.23°C

    83°F

    Air Temperature

    27.23°C

    81°F

    Wind Speed

    4.55 m/s

    8.8 knots

    Atmospheric Pressure

    1009.8 hPa

    Based on 5 years of monitoring data · Data sources: NOAA NDBC

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