Cornwall & Devon, United Kingdom
    Rame Head

    HMS Coronation

    Best months: Jul–Sep

    Protected Area

    Rame Head

    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 Coronation 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

    Diving the Coronation is like stepping into a cold, dark time capsule. This isn't a Caribbean splash-and-dash; it's proper wreck diving, where history feels heavy in the water around you. The ship went down in 1689, scattering timbers and cannons across the seabed off Penlee Point. We love rummaging through the debris field, imagining what life was like aboard a second-rate ship of the line. You'll find sections of hull, bronze guns, and occasionally, personal effects from the wreck. It's a challenging dive, often with strong currents and reduced visibility, but that just adds to the adventure. Our favourite spots are around the larger cannon groupings, where the crumb-of-bread sponge glows yellow and you might spot a spotted dragonet hunkering down. Look closely at the timbers themselves; they’re often covered in light-bulb sea squirts and sunset cup corals. This site suits experienced divers who appreciate history and don't mind a bit of a hunt, more archaeologist than fish-watcher. Just remember to time your dive with the slack tide, or you’ll be doing more exercise than exploring.

    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 Coronation

    HMS Coronation Ocean Conditions

    Monthly averages for HMS Coronation, 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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