45m
    Cornwall & Devon, United Kingdom
    Castlemartin Coast

    HMS SELECT (POSSIBLY)

    Best months: Jul–Sep

    Protected Area

    Castlemartin Coast

    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 SELECT (POSSIBLY) 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 45m
    StandoutExceptional marine biodiversity

    The HMS *Select* is one of those wrecks that truly earns its name; it’s a site for the diver who really knows what they’re looking for. Sitting at a consistent 45m, she's certainly a deep dive, but the reward is a remarkably intact drifter from the Great War. We love how the hull still forms a distinct shape against the seabed, a proper structure to navigate rather than just debris. Dropping down, you’ll find the deck guns are usually still visible, often cloaked in plumose anemones, their white tentacles swaying with the gentle surge. It’s a site that feels a bit more remote, less picked over than some of the more accessible wrecks. Visibility here can be a bit of a gamble, but on a good day, the low light at depth gives the whole wreck a moody, almost reverent feel. Look out for conger eels tucked into any dark crevice, and the odd lobster peering from behind a bulkhead. Our favourite part has to be the stern, where the rudder and propeller are often quite distinct, giving you a real sense of her scale. This isn't a site for beginners; you'll want solid deep-diving experience and an appreciation for a wreck that tells a story through its very bones.

    Typical HMS SELECT (POSSIBLY) Dive Profile

    15m30m45mSafety Stop0m45m 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 45m 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.

    Today06:3717:3711h 0m daylightGolden hour 16:52

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    Conditions

    Ocean conditions, forecast and tides for HMS SELECT (POSSIBLY)

    HMS SELECT (POSSIBLY) Ocean Conditions

    Monthly averages for HMS SELECT (POSSIBLY), 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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