10m
    Cornwall & Devon, United Kingdom
    Browndown

    MEAN MACHINE

    Best months: Jul–Sep

    Protected Area

    Browndown

    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) - MEAN MACHINE 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 10m
    StandoutExceptional marine biodiversity

    We’ve always had a soft spot for the Mean Machine, even if she is just a little speedboat. Lying flat on the seabed at a comfortable 10 metres, this isn't a dive for exploring vast holds, but it’s a brilliant training ground for new wreck divers and a genuinely fun second dive. You’ll find her off Plymouth, usually requiring a boat trip out, but once you’re down, the visibility is often surprisingly good for the UK – sometimes 8 to 10 metres on a calm day. What we love about the Mean Machine is how much life she supports for such a small wreck. The whole structure is encrusted with plumose anemones, their feathery tentacles swaying with the gentle surge. Look closer, and you’ll spot gobies darting in and out of the crevices, and sometimes a grumpy crab peering out from under a fragment of hull. It’s a great spot for macro photography, or just simply enjoying a relaxed dive without the pressure of strong currents. Our favourite trick is to look for the tiny nudibranchs that graze on the hydroids near the stern – they’re often overlooked but always worth the search. Perfect for a chilled-out afternoon, especially if you’ve had a deeper, more challenging dive in the morning.

    Typical MEAN MACHINE Dive Profile

    5m10mSafety Stop0m10m max~60 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.

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

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    Conditions

    Ocean conditions, forecast and tides for MEAN MACHINE

    MEAN MACHINE Ocean Conditions

    Monthly averages for MEAN MACHINE, 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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