55m
    South Coast, Ireland
    Saltee Islands SPA

    ISOLDA

    Good diving all year

    Protected Area

    Saltee Islands SPA

    Why dive here

    With 185+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - ISOLDA offers some of South Coast's richest wreck diving. Water ranges 9-15°C, warmest July, August, September.

    Best timeYear-round
    WetsuitA drysuit
    Marine lifeBlue Sharks, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 185+ species recorded
    Water9-15°C · warmest July, August, September
    CharacterWreck dive · max 55m
    StandoutExceptional marine biodiversity

    The Isolda is a real testament to Ireland's wartime history, resting upright at 55 metres off the South Coast. We love how intact she is for a wreck of her age. Dropping down, the bow is often the first thing to loom out of the gloom, usually with a decent current pushing you along her length. You’ll spend most of your time around the superstructure, feeling the cold water on your cheeks, imagining what it was like for the crew when she went down in 1940. The wreck is quite penetrable if you know what you’re doing, with plenty of entry points around the midsection. Inside, the darkness is absolute, broken only by your torch beam picking out pipework and bulkheads. On the outside, we always find conger eels tucked into every nook and cranny, and sometimes a few lobsters scuttling across the deck plates. Visibility can be a challenge here, often sitting around 5-10 metres, so we’d suggest timing your dive for slack water to really appreciate her scale. It’s definitely one for experienced cold water wreck divers who appreciate a bit of history with their dive.

    Typical ISOLDA Dive Profile

    15m30m45m60mSafety Stop0m55m max~15 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

    Maximum depth 55m exceeds recreational limits (40m). Technical diving certification and equipment required.

    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.

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

    Today06:4417:4310h 59m daylightGolden hour 16:57

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    Conditions

    Ocean conditions, forecast and tides for ISOLDA

    ISOLDA Ocean Conditions

    Monthly averages for ISOLDA, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (51.71, -8.38) (9km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    14°C

    57°F · Range: 12.3–14.8°C

    Air Temperature

    12°C

    54°F

    Wind Speed

    7.84 m/s

    15.2 knots

    Atmospheric Pressure

    1008.6 hPa

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

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