5-20m
    Cornwall & Devon, United Kingdom

    Calvados rocks

    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) - Calvados rocks offers some of Cornwall & Devon's richest reef 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
    CharacterReef dive · max 5-20m
    StandoutExceptional marine biodiversity

    The Calvados Rocks offer a decent dive when the conditions are right, though it’s not always the most forgiving spot. We’ve found decent rocky structures here, giving plenty of nooks and crannies for crustaceans and smaller fish to hide. It's a site that rewards patient divers who enjoy exploring cracks and crevices, rather than seeking big pelagics. Best suited for those comfortable with varied conditions and looking for a solid reef dive.

    Typical Calvados rocks Dive Profile

    5mSafety Stop0m5m 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.

    Today06:1717:2211h 5m daylightGolden hour 16:39

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    Conditions

    Ocean conditions, forecast and tides for Calvados rocks

    Calvados rocks Ocean Conditions

    Monthly averages for Calvados rocks, 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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