24m
    Bornholm, Denmark
    Store Middelgrund

    HERRIESBURN

    Best months: Jul–Sep

    Protected Area

    Store Middelgrund

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - HERRIESBURN 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 24m

    Herriesburn isn't your flashy, intact wreck, but that's precisely why we love it. Sunk in 1956, this isn't a museum piece; it’s a skeleton, scattered across the seabed at 24 metres. What you get here is a proper historical dive, feeling the weight of its story as you navigate the debris. We've spent dives just poking through the twisted metal, finding little nooks where conger eels lurk, and the occasional lumpfish clings to a plate. Visibility can swing wildly with the Baltic, but on a good day, the light filtering down gives the whole site an ethereal, blue glow. This is a dive for wreck enthusiasts who appreciate the history and the slow colonisation by marine life over pristine structure. There’s a quiet beauty to it, watching schools of cod weave through the ribs of the hull, making it their home. Our pick for a second dive on a Bornholm trip, especially if you want to escape the more crowded spots.

    Typical HERRIESBURN Dive Profile

    10m20mSafety Stop0m24m max~30 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

    Depth of 24m - Advanced Open Water certification recommended.

    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.

    Today06:3417:2110h 48m daylightGolden hour 16:29

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    Conditions

    Ocean conditions, forecast and tides for HERRIESBURN

    HERRIESBURN Ocean Conditions

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

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    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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