51m
    Cornwall & Devon, United Kingdom
    Dolphin Head Highly Protected Marine Area

    CLIBURN

    Best months: Jul–Sep

    Protected Area

    Dolphin Head Highly Protected Marine Area

    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) - CLIBURN 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 51m
    StandoutExceptional marine biodiversity

    The Cliburn, a steamer sunk by UB-18 in 1916, sits deep at 51 metres off St Catherine's Point. This isn’t a dive for the casual enthusiast, but for experienced wreck heads, she offers a proper challenge and a seriously rewarding exploration. The sheer depth means careful planning, deco, and ideally, trimix, but what awaits is a beautifully preserved piece of history. We love the Cliburn for her intact structure. You can still make out the bow pointing defiantly into the current, the cargo holds, and the stern section where the prop would have been. Schools of pollack often swirl around the superstructure, and we’ve seen some huge conger eels peering out from gaps in the plating. Visibility can be patchy, as with most deeper UK sites, but when it clears, the scale of the wreck is truly impressive. Our favourite time to dive her is late summer, after a long spell of settled weather, when the thermocline is higher and the surface conditions are calmer for the long boat ride out. It’s a serious undertaking, but for those with the training and ambition, the Cliburn delivers a genuine deep wreck experience.

    Typical CLIBURN Dive Profile

    15m30m45mSafety Stop0m51m max~15 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

    Maximum depth 51m exceeds recreational limits (40m). Technical diving certification and equipment required.

    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.

    Today06:2017:2311h 3m daylightGolden hour 16:39

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    Conditions

    Ocean conditions, forecast and tides for CLIBURN

    CLIBURN Ocean Conditions

    Monthly averages for CLIBURN, 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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