12m
    Scapa Flow, Orkney, United Kingdom
    Calf of Eday

    HMS OCEANA

    Good diving all year

    Protected Area

    Calf of Eday

    Why dive here

    With 140+ marine species recorded in the area - including blue whales, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - HMS OCEANA offers some of Scapa Flow, Orkney's richest wreck diving. Water ranges 8-14°C, warmest July, August, September.

    Best timeYear-round
    WetsuitA drysuit
    Marine lifeBlue Whales, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 140+ species recorded
    Water8-14°C · warmest July, August, September
    CharacterWreck dive · max 12m
    StandoutRich in charismatic marine life

    The HMS *Oceana* isn't the biggest wreck in Scapa, but we find her absolutely charming. She’s an old tug, built in 1889, only 42.7m long, and she sits upright in just 12m. This is one of our favourite dives for a relaxed afternoon. You can feel the history as you fin over her deck, the metal plates thick with rust, draped in dead man's fingers. What we love most here is the accessibility. You can spend a good hour just circumnavigating her, poking into the holds, and even finning through the superstructure if you’re careful. Look for the triple-expansion engine, it's remarkably intact and a real treat to see. Crabs scuttle in the shadows, and we often spot blennies peeking from crevices. She's a perfect dive for newer wreck enthusiasts, or when the weather's a bit frisky and you want something sheltered. The shallow depth means plenty of light, even on an overcast day, and you get a long bottom time to really soak it all in. We’d suggest going at slack tide for the easiest exploration.

    Typical HMS OCEANA Dive Profile

    5m10mSafety Stop0m12m max~60 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

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 13°C). Drysuit or thick wetsuit (7mm+) recommended.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:3917:1810h 39m daylightGolden hour 16:21

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    Conditions

    Ocean conditions, forecast and tides for HMS OCEANA

    HMS OCEANA Ocean Conditions

    Monthly averages for HMS OCEANA, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (58.64, -3.16) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    13°C

    55°F · Range: 11.4–13.8°C

    Air Temperature

    10°C

    50°F

    Wind Speed

    9.26 m/s

    18.0 knots

    Atmospheric Pressure

    1005.3 hPa

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

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