5m
    Cornwall & Devon, United Kingdom
    Sinah Common

    HMS INVINCIBLE

    Best months: Jul–Sep

    Protected Area

    Sinah Common

    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 INVINCIBLE 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 5m
    StandoutExceptional marine biodiversity

    The HMS Invincible is one of those sites that just feels significant. Lying in just 5 metres, it’s a tangible piece of naval history, a rare 18th-century warship wreck. We’ve always been drawn to the stories these sites tell, and Invincible’s tale of a fouled anchor and jammed rudder, just before setting sail for Canada, really sticks with you. Diving here is less about deep exploration and more about a close look at history. The timbers are scattered across the seabed, but you can still make out the sheer scale of the ship. We love picking out cannon ports and sections of the hull, imagining the sheer effort that went into building her. The shallow depth means ambient light is excellent, even on a cloudy day, picking out the colours of the kelp and anenomes. You’ll find plenty of crabs tucked into crevices and schools of pollack weaving through the structure. It’s a site that rewards a slow pace, letting you really absorb the atmosphere. We’d suggest a slack tide for the best visibility, allowing you to trace the lines of the wreck unimpeded. It’s perfect for divers who appreciate history and don’t mind a shallower profile.

    Typical HMS INVINCIBLE 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.

    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 HMS INVINCIBLE

    HMS INVINCIBLE Ocean Conditions

    Monthly averages for HMS INVINCIBLE, 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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