10m
    Cornwall & Devon, United Kingdom
    Carricknath Point to Porthbean Beach

    HMS SEVRA

    Best months: Jul–Sep

    Protected Area

    Carricknath Point to Porthbean Beach

    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 SEVRA 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 10m
    StandoutExceptional marine biodiversity

    The HMS Sevra, down at a comfortable 10 metres, is one of our favourite shallow wrecks in the Falmouth area. We'd call it a perfect second dive or a really solid choice for those newer to wreck diving. She was a factory ship, built in 1929 and then pressed into service as a minesweeper in 1940, only to be sunk by a mine herself that November. Today, she's broken but still recognisable, spread across a sandy seabed. You can see the ribs of her hull, plates peeled back like old tin cans, and a fair bit of machinery still poking out. We love seeing the light play through the gaps, especially on a sunny day. It’s home to plenty of tompot blennies peering from every crevice, dogfish often resting in the sand nearby, and we’ve even spotted conger eels tucked under the larger sections. Given her depth, you get plenty of bottom time to really nose around. Look for the distinct bow and stern sections, which are still somewhat intact. We’d suggest going at slack water, as currents can pick up, especially around spring tides.

    Typical HMS SEVRA Dive Profile

    5m10mSafety Stop0m10m 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.

    Today06:3617:3911h 3m daylightGolden hour 16:55

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    Conditions

    Ocean conditions, forecast and tides for HMS SEVRA

    HMS SEVRA Ocean Conditions

    Monthly averages for HMS SEVRA, 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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