15-30m
    Bornholm, Denmark
    Ølsemagle Strand og Staunings Ø

    Karlstrup Kalkgrav

    Best months: Jul–Sep

    Protected Area

    Ølsemagle Strand og Staunings Ø

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - Karlstrup Kalkgrav offers some of Bornholm's richest lagoon 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
    CharacterLagoon dive · max 15-30m

    Karlstrup Kalkgrav is a unique dive, essentially a flooded limestone quarry. Visibility can vary, but on a good day, you'll see steep quarry walls dropping away into the depths, along with some fascinating rock formations. It’s a good spot for divers looking to practice navigation or just enjoy a different kind of freshwater environment. We find it’s best suited for divers who appreciate geological features over abundant marine life.

    Typical Karlstrup Kalkgrav Dive Profile

    5m10m15mSafety Stop0m15m 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

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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:3417:2410h 50m daylightGolden hour 16:33

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    Conditions

    Ocean conditions, forecast and tides for Karlstrup Kalkgrav

    Karlstrup Kalkgrav Ocean Conditions

    Monthly averages for Karlstrup Kalkgrav, 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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