6m
    Cornwall & Devon, United Kingdom
    Plymouth Sound Shores and Cliffs

    YVONNE

    Best months: Jul–Sep

    Protected Area

    Plymouth Sound Shores and Cliffs

    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) - YVONNE 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 6m
    StandoutExceptional marine biodiversity

    We love a good wreck with a story, and the *Yvonne* has over a century of them. Sunk in 1920, this steel sailing vessel lies at a comfortable 6m, making it one of Cornwall’s most accessible wrecks. You don't need to be an advanced diver to appreciate its scale; at 68m long, the outline is still clear, spread across the seabed. Dropping onto the *Yvonne*, you're immediately struck by how much of the original structure remains – the bow and stern sections are particularly distinct. We’ve found the stern often holds the most interest, with crabs scuttling into crevices and lobsters peeking from beneath plates of steel. Look closely at the ribs of the hull, now draped in soft corals and anemones, creating miniature ecosystems. The ambient light at this depth means colours truly pop, even on a grey Cornish day. For photographers, a wide-angle lens is perfect to capture the sheer size and the way light filters through the kelp forest that dances above the wreck. It’s a gentle dive, perfect for extending bottom time and really soaking in the history.

    Typical YVONNE Dive Profile

    5mSafety Stop0m6m 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.

    Today06:3317:3511h 3m daylightGolden hour 16:51

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    Conditions

    Ocean conditions, forecast and tides for YVONNE

    YVONNE Ocean Conditions

    Monthly averages for YVONNE, 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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