48m
    Cornwall & Devon, United Kingdom
    South Dorset

    MALLARD (POSSIBLY)

    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) - MALLARD (POSSIBLY) 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 48m
    StandoutExceptional marine biodiversity

    The Mallard, or at least what we’re pretty sure is the Mallard, is a proper technical dive, sitting deep at 48 metres. Dropping down, the visibility in this part of the Channel can be a lottery, but when it’s good, the structure slowly emerges from the gloom. She went down in 1940, a decent-sized motor vessel at nearly 50 metres long, and the years on the seabed have taken their toll, but the general shape is still there. We love exploring the engine room, which is often still surprisingly open, a real deep dive into maritime history. Look for the prop shaft running aft and the faint outlines of her deck machinery. The hull is well broken in places, creating nooks and crannies that are home to conger eels, and we’ve often spotted lobsters tucked into the plating. This is a dive for experienced technical divers, comfortable with decompression, who appreciate the silent, cold embrace of a historical wreck. It’s not about vibrant colours here, it’s about the atmosphere, the size of the structure, and the quiet dignity of a ship lost at sea. Plan for a decent bottom time to really appreciate the scale.

    Typical MALLARD (POSSIBLY) Dive Profile

    15m30m45mSafety Stop0m48m 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 48m 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.

    Today06:2517:2811h 3m daylightGolden hour 16:44

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    Conditions

    Ocean conditions, forecast and tides for MALLARD (POSSIBLY)

    MALLARD (POSSIBLY) Ocean Conditions

    Monthly averages for MALLARD (POSSIBLY), 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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