26m
    Cornwall & Devon, United Kingdom
    Erme Estuary

    PERSIER

    Best months: Jul–Sep

    Protected Area

    Erme Estuary

    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) - PERSIER 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 26m
    StandoutExceptional marine biodiversity

    If you’re diving the south coast, the *Persier* is absolutely one to prioritise. We love a good big wreck, and at 122m, this former Belgian cargo steamer delivers. She was sunk by a mine in 1945 and now rests upright, mostly intact, though time and trawlers have taken their toll on the superstructure. Dropping down onto the main deck at 26m, you’re often greeted by schools of pouting, sometimes so thick they obscure the bow. It’s a proper swim-through wreck, with cavernous holds you can penetrate if you're comfortable. Our favourite part is exploring the stern, where the prop shaft alley is still accessible and often shelters conger eels the size of a diver's thigh. Keep an eye out for dogfish tucked into crevices and the occasional lobster peering out from under plating. Visibility here can be hit or miss; a good slack tide on a neap will give you the best chance of decent light, otherwise it's an atmospheric, torch-lit dive. This one suits experienced wreck divers who appreciate the history and the sheer scale of a major shipwreck.

    Typical PERSIER Dive Profile

    10m20m30mSafety Stop0m26m max~30 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

    Depth of 26m - Advanced Open Water 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.

    Today06:3217:3511h 3m daylightGolden hour 16:51

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    Conditions

    Ocean conditions, forecast and tides for PERSIER

    PERSIER Ocean Conditions

    Monthly averages for PERSIER, 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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