12m
    Bornholm, Denmark
    Vestamager og havet syd for

    CRONSHAGEN

    Best months: Jul–Sep

    Protected Area

    Vestamager og havet syd for

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - CRONSHAGEN 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 · max 12m

    CRONSHAGEN is one of those wrecks that just delivers. We’ve plunged into the Baltic many times, and this steamship, sunk by a mine in 1940, always feels like a proper dive. At a shallow 12 metres, it’s remarkably accessible, and the sheer scale of the 79.6-metre hull is impressive from the moment you descend. We love tracing the outline of her collapsed bow, where the mine impact really took its toll, before finning along the vast cargo holds. The triple expansion engines are a particular highlight for us. You can still make out the huge pistons, now encrusted with mussels and anemones, which makes you pause and appreciate the engineering. Visibility, while never tropical, often settles around 8-10 metres here, giving you enough scope to appreciate the wreck's structure. For photographers, the ambient light filtering down onto the midship sections creates some dramatic shots, especially on a sunny afternoon. This is a site for divers who appreciate history and the quiet beauty of an artificial reef. While you won't find colourful coral, the wreck supports a surprising amount of life. Crabs scuttle in the shadows, and schools of small fish drift in and out of the hold openings. We often find lumpsuckers clinging to the plating, their camouflage perfect against the rust. It’s a site you can spend a solid hour on, exploring the deck features, imagining her final moments, and watching the Baltic’s slower, colder ecosystem thrive.

    Typical CRONSHAGEN Dive Profile

    5m10mSafety Stop0m12m max~60 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

    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.

    Today06:3117:2210h 50m daylightGolden hour 16:32

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    Conditions

    Ocean conditions, forecast and tides for CRONSHAGEN

    CRONSHAGEN Ocean Conditions

    Monthly averages for CRONSHAGEN, 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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