40m
    Cornwall & Devon, United Kingdom
    South Dorset

    CHASSEUR 7

    Best months: Jul–Sep

    Protected Area

    South Dorset

    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) - CHASSEUR 7 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 · max 40m
    StandoutExceptional marine biodiversity

    The Chasseur 7, a French submarine chaser sunk by German E-boats in 1942, sits upright at 40 metres. You’ll hit the deck around 36 metres, where the light starts to fade, giving the whole site a real sense of history. She’s not massive, just under 37 metres long, but what she lacks in size she makes up for in character. We love the way she’s mostly intact, a proper ship shape, not just a pile of twisted metal. Dropping down onto the deck, you’ll see the bow gun still in place, pointing forward, a silent testament to her last moments. We’ve found conger eels tucked into every dark corner and the occasional lobster peering out from under plating. Visibility here can be a bit of a gamble, often around 5 to 10 metres, so bringing a good torch is non-negotiable – it really helps to pick out the details and the deeper colours of the encrusting anemones and jewel anemonies that carpet the wreck. She’s a dive for experienced deep divers, definitely, given the depth and potential for currents. Our favourite part has to be exploring the stern, where the prop shaft is still visible, often surrounded by a swirling cloud of pouting. It’s a proper dive into wartime history.

    Typical CHASSEUR 7 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.

    Today06:2417:2711h 3m daylightGolden hour 16:43

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    Conditions

    Ocean conditions, forecast and tides for CHASSEUR 7

    CHASSEUR 7 Ocean Conditions

    Monthly averages for CHASSEUR 7, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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