1m
    Cornwall & Devon, United Kingdom
    Hythe to Calshot Marshes

    ISLAND MIST

    Best months: Jul–Sep

    Protected Area

    Hythe to Calshot Marshes

    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) - ISLAND MIST 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 1m
    StandoutExceptional marine biodiversity

    The Island Mist in Cornwall is a wreck we always recommend, despite its shallow depth. It's not a site for hunting down big pelagics, but rather for a slow, detailed exploration. We love how accessible it is, sitting upright at just 12 metres, making it perfect for longer bottom times and really getting to know a wreck. This isn't some deep, dark behemoth. The Island Mist is an old fishing trawler, sunk at its mooring, so it’s largely intact and upright. You can spend ages poking around the wheelhouse, seeing the gauges still in place, or peering into the hold. Inside, conger eels often peek out from shadowy corners, and you'll spot plenty of blennies darting amongst the rust. Outside, the decks are now thick with anemones, their tentacles swaying gently with the surge, and the occasional dogfish rests on the sand nearby. Our favourite time to dive it is on a slack tide, with good sunlight filtering down; the colours of the anemones and soft corals really pop then. It's a genuinely atmospheric dive, feeling like a snapshot of a working boat, now a home for the sea life.

    Typical ISLAND MIST Dive Profile

    Safety Stop0m1m 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.

    Today06:2217:2411h 2m daylightGolden hour 16:39

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    Conditions

    Ocean conditions, forecast and tides for ISLAND MIST

    ISLAND MIST Ocean Conditions

    Monthly averages for ISLAND MIST, 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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