Bornholm, Denmark

    Wreck of Kronan

    Best months: Jul–Sep

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - Wreck of Kronan offers some of Bornholm's richest wreck diving. Water ranges 3-18°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeJellyfish Lake · 66+ species recorded
    Water3-18°C · warmest July, August, September
    CharacterWreck dive

    Diving Bornholm, you’re often looking at a colder, darker experience than the tropics, but the Kronan wreck is a different beast entirely. We love this site for its sheer historical weight. This isn't just some old boat; it was a Swedish flagship, gone down in battle. You descend into that low visibility, and suddenly the skeletal remains of this huge warship start to emerge from the gloom. It’s got a real eerie, solemn feel to it, especially when a lone Atlantic cod drifts by, almost like a sentinel. We'd suggest going with a good torch, even on a bright day. You'll want it to poke into the nooks and crannies of the hull, where you often find lumpsuckers clinging to the old timbers and colonies of blue mussels encrusting everything. The current can pick up a bit here, so it’s not a drift dive, but you need to be mindful. For divers who appreciate history and the atmosphere of a truly ancient wreck, rather than just colourful fish, the Kronan is our top pick in the area. It’s a dive that makes you think, makes you feel connected to something much bigger than yourself.

    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.

    Today06:1717:0510h 48m daylightGolden hour 16:13

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    Conditions

    Ocean conditions, forecast and tides for Wreck of Kronan

    Wreck of Kronan Ocean Conditions

    Monthly averages for Wreck of Kronan, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (54.94, 13.85) (7km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    14°C

    57°F · Range: 11.7–16.3°C

    Air Temperature

    12°C

    53°F

    Wind Speed

    8.16 m/s

    15.9 knots

    Atmospheric Pressure

    1013.3 hPa

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

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