60m
    Trincomalee & East Coast, Sri Lanka

    RFA ATHELSTANE

    Best months: Dec–Feb

    Why dive here

    With 254+ marine species recorded in the area - including barracuda, dolphins, sea turtles, sperm whales and spinner dolphins - RFA ATHELSTANE offers some of Trincomalee & East Coast's richest wreck diving. Water ranges 27-30°C, warmest April, May, October.

    Best timeDec–Feb
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Dolphins, Sea Turtles, Sperm Whales and Spinner Dolphins · 254+ species recorded
    Water27-30°C · warmest April, May, October
    CharacterWreck dive · max 60m
    StandoutExceptional marine biodiversity

    The RFA Athelstane is a deep dive, dropping to 60 metres, making it one strictly for experienced technical divers. We’re talking about a significant historical wreck here, a steamship bombed by Japanese aircraft in 1942, just after departing Trincomalee. You descend into a deep blue, often with excellent visibility, and the sheer scale of the Athelstane slowly comes into view. What we love about this wreck is the atmosphere. It’s a proper expedition, a journey into the past. The structure is largely intact, though obviously well-weathered, and you can still make out the distinct lines of a cargo vessel. As you drift along the decks, you’ll see the light play through gaps, illuminating schools of fusiliers that flit around the superstructure. Look closer, and you’ll spot a surprising number of macro critters, like flatworms and nudibranchs, clinging to the hull, along with hunting trevally in the currents. Our favourite tip for this one: pay attention to your descent and ascent rates; it's a long way down and back up. The Athelstane is a powerful reminder of Sri Lanka's wartime history, an incredible site for those with the training to explore it safely.

    Typical RFA ATHELSTANE Dive Profile

    15m30m45m60mSafety Stop0m60m max~15 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

    Maximum depth 60m exceeds recreational limits (40m). Technical diving certification and equipment required.

    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.

    Today05:2017:2011h 59m daylightGolden hour 16:52

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    Conditions

    Ocean conditions, forecast and tides for RFA ATHELSTANE

    RFA ATHELSTANE Ocean Conditions

    Monthly averages for RFA ATHELSTANE, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (8.53, 81.23) (31km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 27.5–30.3°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.73 m/s

    9.2 knots

    Atmospheric Pressure

    1009 hPa

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

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