13m
    Beginner
    Cornwall & Devon, United Kingdom
    Chesil Beach and Stennis Ledges

    Countess of Erne

    Best months: Jul–Sep

    Protected Area

    Chesil Beach and Stennis Ledges

    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) - Countess of Erne 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 13m
    StandoutExceptional marine biodiversity

    The Countess of Erne is a site we’ve returned to time and again, and it rarely disappoints. Lying at just 13 metres, she’s a fantastic introduction to wreck diving in UK waters, especially for those still building confidence. We love how much of the wreck is still recognisable, even after sinking in 1935. You can still make out the paddle steamer’s wheels, two huge structures now completely encrusted with plumose anemones, waving gently in the current. Swimming through the collapsed superstructure, you’ll likely spook a few pollack, darting between the metalwork. Our favourite spot is usually around the bow, where crevices offer shelter to spider crabs and blennies. The visibility here can be classic UK – a bit green, a bit murky – but on a good day, when the sun filters through, the light plays beautifully on the anemones and dead man’s fingers. We’d suggest timing your dive for slack water to really enjoy poking around without fighting a current. It’s not a deep dive, but there’s enough to explore for a solid 40 minutes, making it a brilliant spot for multiple dives in a day.

    Typical Countess of Erne Dive Profile

    5m10m15mSafety Stop0m13m max~50 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.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:2617:2811h 2m daylightGolden hour 16:44

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    Conditions

    Ocean conditions, forecast and tides for Countess of Erne

    Countess of Erne Ocean Conditions

    Monthly averages for Countess of Erne, 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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