18m
    Bornholm, Denmark
    Waters between Lolland and Falster including Rødsand, Guldborg sound, and Bøtø Nor

    HERCULES

    Best months: Jul–Sep

    Protected Area

    Waters between Lolland and Falster including Rødsand, Guldborg sound, and Bøtø Nor

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - HERCULES 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 18m

    Hercules isn't just a wreck, it's a piece of working history resting on the seabed off Bornholm. This old dredger, sunk in 1990, lies upright at a comfortable 18 metres, making it approachable for most divers comfortable with cold water. We love how the machinery is still so apparent, a tangible link to its past life – the massive dredging arm reaching out, buckets still attached, looking like it just took a dive of its own. Entering the wheelhouse gives you a real sense of being inside the vessel, rather than just hovering over it. Look for the schools of cod that patrol the decks, often darting between the metal structures, and the occasional lumpfish tucked into crevices. The visibility here can be decent, especially in late summer, but it’s the character of the wreck itself that truly stands out. Our tip: bring a good torch; the nooks and crannies hold the most interesting details and resident critters. It's a great dive for anyone who appreciates the industrial beauty of a working ship now surrendered to the sea.

    Typical HERCULES Dive Profile

    10m20mSafety Stop0m18m max~50 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.

    Today06:3317:2610h 53m daylightGolden hour 16:37

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    Conditions

    Ocean conditions, forecast and tides for HERCULES

    HERCULES Ocean Conditions

    Monthly averages for HERCULES, 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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