Cornwall & Devon, United Kingdom

    HMS Basilisk

    Best months: Jul–Sep

    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 Basilisk 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 HMS Basilisk, what a brute of a wreck. This B-class destroyer met its end in 1930, but it lives on as a spectacular dive in Cornish waters. We love how it's broken up, giving you distinct sections to explore. You'll drop down onto the bow, often with pollock darting through the superstructure, then follow the debris field back to the stern. Visibility can be a typical UK lottery, but when it's good, you can make out the scale of this warship. Our favourite part is poking around the engine room, if conditions allow penetration. The metalwork here is encrusted with dead man's fingers and anemones. Look for conger eels peering from every dark recess, and we've often seen spider crabs scuttling across the deck plates. This isn't a dive for the faint of heart; strong currents can sweep through, so pick your slack water window carefully. It’s definitely one for experienced wreck divers who appreciate the history and the sheer amount of life a century underwater can create.

    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 HMS Basilisk

    HMS Basilisk Ocean Conditions

    Monthly averages for HMS Basilisk, 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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