DivePlnr
    Portroe Quarry dive site
    shore
    23m
    Beginner
    West Coast, Ireland

    Portroe Quarry

    Best months: Jul–Aug

    Why dive here

    With 169+ marine species recorded in the area - including dolphins, dwarf minke whales, humpback whales, ocean sunfish (mola mola) and octopuses - Portroe Quarry offers some of West Coast's richest shore 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
    CharacterShore dive · max 23m
    StandoutExceptional marine biodiversity

    Portroe Quarry on Ireland's West Coast offers a straightforward freshwater dive, topping out at 23 metres. It’s a good spot for skill practice or just a simple splash, especially for newer divers looking to get comfortable. You’ll find a few submerged odds and ends, like a boat and a small plane, which make for decent navigation exercises. Visibility varies, but it's generally manageable for a quarry.

    Typical Portroe Quarry Dive Profile

    10m20mSafety Stop0m23m max~30 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

    Depth of 23m - Advanced Open Water certification recommended.

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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:5216:4910h 57m daylightGolden hour 16:02

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    Conditions

    Ocean conditions, forecast and tides for Portroe Quarry

    Portroe Quarry Ocean Conditions

    Monthly averages for Portroe Quarry, 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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