Bornholm, Denmark
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    Aquarios

    Best months: Jul–Sep

    Protected Area

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    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - Aquarios offers some of Bornholm's richest 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

    Aquarios on Bornholm is a cracker, but you need to manage your expectations a bit. This isn't your flashy tropical reef. Instead, we love it for its quiet, unassuming charm and the sheer abundance of small, fascinating critters that hide in plain sight. Drop in and you’re immediately enveloped by dense eelgrass meadows, swaying gently with the Baltic’s subtle push and pull. It feels like swimming through an underwater prairie. We’ve spent hours here just watching common shore crabs scuttling amongst the blades, or spotting the incredible camouflage of a fluke, almost invisible against the sandy patches. Broadnosed pipefish are a regular sight, hanging motionless, blending in perfectly. The real stars though, are the bivalves – we’re talking common cockles and blue mussels galore, a testament to the health of this ecosystem. Visibility can swing a bit with the weather, so pick a calm day. If you’re a macro lover or just want a really peaceful dive away from the crowds, Aquarios is our pick. It’s perfect for those meditative dives where you slow down and really observe the smaller stuff.

    Safety Notes

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

    Today06:3217:2210h 50m daylightGolden hour 16:31

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    Conditions

    Ocean conditions, forecast and tides for Aquarios

    Aquarios Ocean Conditions

    Monthly averages for Aquarios, 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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