22m
    Cornwall & Devon, United Kingdom
    Flat Holm

    CITY OF GLASGOW

    Best months: Jul–Sep

    Protected Area

    Flat Holm

    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) - CITY OF GLASGOW 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 22m
    StandoutExceptional marine biodiversity

    The City of Glasgow, off the Lizard, isn’t your typical big, broken-up wreck. We love it because it’s a lifeboat, an ex-RNLI Barnett class, resting upright and mostly intact on the seabed at 22 metres. There's something poignant about seeing a vessel designed to save lives now a home for them. You can really get a sense of its original form, the strong lines still clear. What we really enjoy here is the way the wreck has become a proper little ecosystem. Schools of pollack often hang above the wheelhouse, their silver scales catching the light, while lobsters poke out from under plates of metal. The interior is quite accessible, offering some gentle swim-throughs where you might spot a shy velvet crab or a squat lobster clinging to the structure. It’s a site that suits divers who appreciate historical context and a more intimate wreck experience, rather than those chasing huge cargo ships. Dive this one on a calm day; the visibility can be excellent, making the distinct shape of the lifeboat truly stand out against the sandy seabed.

    Typical CITY OF GLASGOW Dive Profile

    10m20mSafety Stop0m22m 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 22m - 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.

    Today06:3017:3011h 1m daylightGolden hour 16:45

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    Conditions

    Ocean conditions, forecast and tides for CITY OF GLASGOW

    CITY OF GLASGOW Ocean Conditions

    Monthly averages for CITY OF GLASGOW, 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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