32m
    Cornwall & Devon, United Kingdom
    Boscastle to Widemouth

    GIRDLENESS

    Best months: Jul–Sep

    Protected Area

    Boscastle to Widemouth

    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) - GIRDLENESS 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 32m
    StandoutExceptional marine biodiversity

    Diving Girdleness is a proper journey back in time. This steamship, once the Grelisle and Rockabill before her final name, went down in 1918. She’s a big wreck, over 100 meters long, and that size really makes a difference. Dropping onto her, you’re greeted by the sheer scale of the cargo holds, now open to the ocean. We love how the two huge boilers stand proud, acting like apartment blocks for lobsters and conger eels. Exploring Girdleness means navigating her structure, finding gaps and passages that hint at her former life. The triple expansion engine is a fantastic focus for a dive, often draped in dead man's fingers. Visibility here can swing wildly, but on a good day, the light filtering down through the holds is quite atmospheric. It’s a site that demands decent dive experience, given the depth and potential for currents. Our tip: pick your slack water window carefully for the best chance to really soak in the history here.

    Typical GIRDLENESS Dive Profile

    15m30mSafety Stop0m32m 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 (32m) - 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.

    Today06:3517:3711h 2m daylightGolden hour 16:52

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    Conditions

    Ocean conditions, forecast and tides for GIRDLENESS

    GIRDLENESS Ocean Conditions

    Monthly averages for GIRDLENESS, 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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