15m
    Cornwall & Devon, United Kingdom
    Bembridge Down

    HMS P12 (STERN SECTION).

    Best months: Jul–Sep

    Protected Area

    Bembridge Down

    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) - HMS P12 (STERN SECTION). 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 15m
    StandoutExceptional marine biodiversity

    The stern section of HMS P12, a patrol boat lost in a collision just days before the end of WWI, sits upright at 15 metres. We love it because it’s surprisingly intact for a wreck of its age, a real anchor point in the seabed for all sorts of life. You’ll find the props still in place and the rudder blade clear, giving a real sense of its operational past. This isn’t a grand, sprawling wreck, but it’s packed with character. Look for the conger eels that have made their home amongst the twisted metalwork, and the often-dense schools of bib and pollack that swirl around the structure. Our favourite dive here is when the light is just right, filtering through the water and illuminating the stern, highlighting the copper hues of the propellors. It’s a superb spot for divers who appreciate history and don't mind a slightly chillier dive, with plenty to photograph and explore in a compact area.

    Typical HMS P12 (STERN SECTION). Dive Profile

    5m10m15mSafety Stop0m15m max~50 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.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:2117:2311h 2m daylightGolden hour 16:38

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    Conditions

    Ocean conditions, forecast and tides for HMS P12 (STERN SECTION).

    HMS P12 (STERN SECTION). Ocean Conditions

    Monthly averages for HMS P12 (STERN SECTION)., 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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