West Coast, Ireland
    Killala Bay/Moy Estuary SAC

    CRETEBOOM

    Best months: Jul–Aug

    Protected Area

    Killala Bay/Moy Estuary SAC

    Why dive here

    With 169+ marine species recorded in the area - including dolphins, dwarf minke whales, humpback whales, ocean sunfish (mola mola) and octopuses - CRETEBOOM offers some of West Coast's richest wreck diving. Water ranges 8-17°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 5mm wetsuit
    Marine lifeDolphins, Dwarf Minke Whales, Humpback Whales, Ocean Sunfish (Mola Mola) and Octopuses · 169+ species recorded
    Water8-17°C · warmest July, August, September
    CharacterWreck dive
    StandoutExceptional marine biodiversity

    The Creteboom is a fascinating piece of history, and we love how unique it is. This isn't your typical steel wreck; she was built in 1919 using ferroconcrete, a response to the steel shortages of the time. You really feel that odd, almost stone-like texture as you run your hand along her hull. She’s a tug, 38 metres long, lying broken but still clearly defined on the seabed. The bow section is the most intact, with a clear outline of where the wheelhouse once stood. We’ve found wolfish lurking in the shadowy nooks of the engine room – keep an eye out for their grumpy faces. Conger eels are often coiled in the darker corners, and the concrete surfaces are now carpeted with dead man's fingers and anemones, which glow softly in your torch beam. Visibility here can be temperamental, as is common on the West Coast, so picking a calm day with minimal swell is key for the best experience. We’d suggest diving this one on a slack tide to properly explore the structure and appreciate its unusual construction. It’s a cracker for those who appreciate maritime history and something a little bit different.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today05:5716:5110h 54m daylightGolden hour 16:02

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    Conditions

    Ocean conditions, forecast and tides for CRETEBOOM

    CRETEBOOM Ocean Conditions

    Monthly averages for CRETEBOOM, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (53.32, -9.66) (22km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    14°C

    56°F · Range: 11.7–15.4°C

    Air Temperature

    12°C

    54°F

    Wind Speed

    8.2 m/s

    15.9 knots

    Atmospheric Pressure

    1007.4 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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