2m
    Cornwall & Devon, United Kingdom
    Langstone Harbour

    IRISHMAN

    Best months: Jul–Sep

    Protected Area

    Langstone Harbour

    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) - IRISHMAN 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 2m
    StandoutExceptional marine biodiversity

    The Irishman, off the Cornish coast, is one of those sites we always recommend for a shallow, easy dive with a real sense of history. Sunk by a mine in 1941, this old tug lies just 2 metres deep, making it perfect for an extended rummage around. We love poking through the remains of the hull, feeling the texture of the encrusted metal beneath our gloves. It’s a great spot for newer divers to experience a proper wreck without any depth anxieties, but even experienced folks will find plenty to keep them occupied. You’ll spot plenty of dab and flounder trying their best to blend into the silty seabed, and the metalwork itself is home to a surprising number of sea slugs and small blennies. On a sunny day, the light filters through the water beautifully, illuminating the dark shapes of the wreck. It’s a calm, meditative dive. Our top tip: go at slack water on a rising tide for the best visibility and a gentle drift over the wreck. Keep an eye out for the resident crabs scuttling between the twisted plates.

    Typical IRISHMAN Dive Profile

    Safety Stop0m2m 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.

    Today06:2117:2211h 2m daylightGolden hour 16:38

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    Conditions

    Ocean conditions, forecast and tides for IRISHMAN

    IRISHMAN Ocean Conditions

    Monthly averages for IRISHMAN, 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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