Baltic Coast, Sweden

    Wreck of Ilmarinen

    Best months: Jul–Aug

    Why dive here

    With 50+ marine species recorded in the area - including dwarf minke whales and jellyfish lake - Wreck of Ilmarinen offers some of Baltic Coast's richest wreck diving. Water ranges 1-17°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 5mm wetsuit
    Marine lifeDwarf Minke Whales and Jellyfish Lake · 50+ species recorded
    Water1-17°C · warmest July, August, September
    CharacterWreck dive

    Diving the Ilmarinen isn't your typical tropical jaunt, and that’s precisely why we love it. This isn't about blinding colours or warm currents; it's about history suspended in time. We've always been drawn to wrecks that tell a story, and the Ilmarinen, a Väinämöinen-class coastal defence ship sunk in 1941, has tales etched into every rivet. Descending into the cool, often murky Baltic, you feel the chill before you even see the dark silhouette. The visibility can be temperamental here, but on a good day, the sheer scale of the ship emerges from the gloom. Our favourite part is navigating the upper decks, where gun emplacements still stand, draped in fishing nets and growth. It’s an eerie experience, the light fading quickly as you drop deeper. Look for the schooling cod and blennies that have made homes in the superstructure. This dive suits those with a deep appreciation for maritime history and a tolerance for colder, darker waters. It’s a profound experience, stark and haunting, a tangible connection to a past conflict.

    Safety Notes

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

    Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:0416:4210h 38m daylightGolden hour 15:45

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    Conditions

    Ocean conditions, forecast and tides for Wreck of Ilmarinen

    Wreck of Ilmarinen Ocean Conditions

    Monthly averages for Wreck of Ilmarinen, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (59.85, 20.79) (4km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    11°C

    53°F · Range: 7.3–14.8°C

    Air Temperature

    8°C

    47°F

    Wind Speed

    5.57 m/s

    10.8 knots

    Atmospheric Pressure

    1010.6 hPa

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

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