51m
    Bornholm, Denmark

    KOL-38

    Best months: Jul–Sep

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - KOL-38 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 51m

    The KOL-38 off Bornholm is a standout, particularly for those who appreciate wrecks with a bit of history etched into their steel. We love it because it’s not just a collection of twisted metal; it feels like a genuine time capsule resting at 51 metres. Descending, you can often feel the slight chill of the Baltic, even in summer, adding to the atmosphere. The wreck itself is a former fishing trawler, sunk deliberately after World War II, and it’s surprisingly intact, considering its age and depth. You'll find the wheelhouse still largely defined, and we've spent many minutes exploring the deck, imagining what life was like aboard. Schools of cod and pollock frequently hang around the superstructure, darting in and out of the openings where windows once were. Sometimes, a curious grey seal will pop in for a quick look at your bubbles, which is always a treat. Our favourite part is navigating the cargo hold, which is now home to an impressive collection of brittle stars and sea anemones. Visibility can swing here, from a murky 5 metres to a glorious 20, so checking conditions is key. We’d suggest a calm day with minimal surge for the best experience. This site is definitely one for experienced divers comfortable with deeper profiles and potential thermoclines.

    Typical KOL-38 Dive Profile

    15m30m45mSafety Stop0m51m 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 51m 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.

    Today06:1717:1010h 53m daylightGolden hour 16:21

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    Conditions

    Ocean conditions, forecast and tides for KOL-38

    KOL-38 Ocean Conditions

    Monthly averages for KOL-38, 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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