39m
    Cornwall & Devon, United Kingdom
    Tennyson

    CLEDDY (PROBABLY)

    Best months: Jul–Sep

    Protected Area

    Tennyson

    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) - CLEDDY (PROBABLY) 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 39m
    StandoutExceptional marine biodiversity

    The Cleddy, or what we’re pretty sure is the Cleddy, is a phenomenal wreck dive off the coast of Cornwall. Dropping to around 39m, it’s one for the experienced wreckies, demanding good trim and confidence in low visibility – which, let’s be honest, is part of the charm in UK diving. This iron steamship, sunk back in 1889, lies largely intact, a real testament to its sturdy build. We love exploring the bow, which points north, where huge schools of bib and pollack swirl, almost clouding out the ambient light. The stern is our favourite, though, for the sheer scale of the propeller and rudder, often draped in plumose anemones, their white tentacles swaying with the surge. You can often see conger eels poking their heads from inside the collapsed hold sections, watching you with an unnerving stillness. It’s a proper dive into maritime history, with every plate and beam telling a story. Best dived on slack water, naturally, to truly appreciate the scale.

    Typical CLEDDY (PROBABLY) Dive Profile

    15m30m45mSafety Stop0m39m max~20 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

    Deep dive (39m) - monitor air consumption closely. Advanced 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.

    Today06:2217:2511h 3m daylightGolden hour 16:40

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    Conditions

    Ocean conditions, forecast and tides for CLEDDY (PROBABLY)

    CLEDDY (PROBABLY) Ocean Conditions

    Monthly averages for CLEDDY (PROBABLY), 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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