48m
    Cornwall & Devon, United Kingdom
    Dolphin Head Highly Protected Marine Area

    HMS MELBREACK

    Best months: Jul–Sep

    Protected Area

    Dolphin Head Highly Protected Marine Area

    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 MELBREACK 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 48m
    StandoutExceptional marine biodiversity

    The HMS Melbreak sits deep off the Cornish coast, a proper technical dive at 48 metres. We love this wreck not just for its depth, but for the story it tells and the life that now calls it home. She was a Hunt-class destroyer, sunk by a mine in 1944, and you can still see the damage that sent her down. Dropping onto the Melbreak, you’re greeted by her intact bow section, often shrouded in schooling bib and pollack. We’ve had dives where the visibility was 15 metres, and others where it was barely five, but even in murkier conditions, her imposing structure emerges from the gloom. Look out for conger eels tucked into any available crevice, their heads poking out like curious residents. The stern, while more broken up, offers fantastic penetration opportunities for those with the right training and equipment. It's a site that demands respect and planning, but rewards you with a tangible piece of history and a thriving artificial reef. We always recommend a decent bottom time to properly appreciate her scale, but remember those decompression stops will add up.

    Typical HMS MELBREACK Dive Profile

    15m30m45mSafety Stop0m48m 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 48m 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.

    Today06:1717:2111h 4m daylightGolden hour 16:37

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    Conditions

    Ocean conditions, forecast and tides for HMS MELBREACK

    HMS MELBREACK Ocean Conditions

    Monthly averages for HMS MELBREACK, 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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