Cornwall & Devon, United Kingdom

    HMS Dunraven

    Best months: Jul–Sep

    Why dive here

    With 176+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - HMS Dunraven offers some of Cornwall & Devon's richest wreck diving. Water ranges 10-18°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 176+ species recorded
    Water10-18°C · warmest July, August, September
    CharacterWreck dive
    StandoutExceptional marine biodiversity

    The HMS Dunraven isn’t for the faint of heart, or for those who prefer their wrecks in clear, calm waters. But for the right diver, she’s absolutely brilliant. This Q-ship, sunk in 1917 after a battle with a German U-boat, lies in some pretty exposed waters off Cornwall. When the conditions line up, which they do, it's worth the effort. We love the sheer scale of the Dunraven. She’s a big girl, broken but still impressively intact in places. You'll descend into that typical greenish British water, the visibility often settling around 8-10 metres, sometimes less, but that just adds to the atmosphere. Torches are essential to pick out the details in the gloom. Expect to see cod and pollack hanging around the deeper sections, often darting into the wreckage as you approach. The steel plates are encrusted with jewel anemones and dead man’s fingers, splashes of orange and white in the muted light. Our favourite part is navigating through some of the more open hold sections – it feels properly adventurous, but always with plenty of light overhead. This isn’t a penetration dive for beginners, but there are ample opportunities to explore the superstructure and deck areas. It’s a dive that rewards repeat visits, especially as the currents can sometimes dictate which parts you can comfortably explore.

    Safety Notes

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

    Today06:3617:4211h 7m daylightGolden hour 17:00

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    Conditions

    Ocean conditions, forecast and tides for HMS Dunraven

    HMS Dunraven Ocean Conditions

    Monthly averages for HMS Dunraven, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

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    October Averages

    Sea Temperature

    17°C

    62°F · Range: 15.1–17.5°C

    Air Temperature

    13°C

    56°F

    Wind Speed

    8.14 m/s

    15.8 knots

    Atmospheric Pressure

    1011 hPa

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

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