Cornwall & Devon, United Kingdom
    Portsmouth Harbour

    CRUSADER

    Best months: Jul–Sep

    Protected Area

    Portsmouth Harbour

    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) - CRUSADER 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
    StandoutExceptional marine biodiversity

    The Crusader, lying off Plymouth, isn't a deep dive, making it accessible for a good range of experience levels. It’s an old Admiralty lighter, sunk as an exercise target back in the 1950s, so you’re looking at a wreck that’s been down a while, totally integrated into the local ecosystem. What we love about the Crusader is how intact she remains for her age and location. You can still make out the superstructure, the hull plates, and plenty of internal structure to poke your head into. Vis can be typical Channel stuff, sometimes a bit murky, sometimes surprisingly clear especially on a slack tide, which is always our preferred time to drop in. On a good day, the light plays through the openings, illuminating the clouds of pouting and juvenile pollack that call the wreck home. Keep an eye out for conger eels tucked into the dark recesses; they’re pretty common here. We think the Crusader is a fantastic dive for anyone who enjoys exploring a wreck with a bit of history, without the pressure of extreme depth or current. It feels substantial, but still navigable, offering plenty of nooks to investigate without getting too lost.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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    Conditions

    Ocean conditions, forecast and tides for CRUSADER

    CRUSADER Ocean Conditions

    Monthly averages for CRUSADER, 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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