Bornholm, Denmark
    Sprogø og Halsskov Rev

    Halsskov Rev

    Best months: Jul–Sep

    Protected Area

    Sprogø og Halsskov Rev

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - Halsskov Rev offers some of Bornholm's richest reef 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
    CharacterReef dive

    Halsskov Rev is a bit of a local secret, and we think it deserves more attention. Diving off Bornholm generally means something rugged, and this site is no exception. We’re talking about a proper rock and boulder reef, not your typical tropical coral, but it’s got a surprising amount of life hunkered down among the crevices. You’ll weave through impressive stacks of granite, some as big as small cars, all encrusted with various anemones and barnacles. The visibility can be temperamental, sometimes a crisp 10-15 metres, other days a bit milkier, but that just adds to the adventure. Our favourite time to dive here is late summer, when the water has warmed up a touch and the light penetrates deeper. Keep an eye out for the resident cod, they’re often curious, and we’ve spotted some surprisingly large butterfish tucked away. The four-bearded rocklings are a common sight, twitching their barbels from beneath rocky overhangs. It’s a dive for those who appreciate the subtle beauty of a temperate reef, where the drama comes from the geology and the unexpected encounter rather than flashy colours. If you’re into macro, the nooks and crannies hold all sorts of bristleworms and tiny molluscs. It’s not a drift dive, more of a slow exploration, best suited for divers who enjoy a relaxed pace and hunting for the smaller stuff.

    Safety Notes

    Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:3817:2910h 51m daylightGolden hour 16:38

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    Conditions

    Ocean conditions, forecast and tides for Halsskov Rev

    Halsskov Rev Ocean Conditions

    Monthly averages for Halsskov Rev, 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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