35m
    Bornholm, Denmark

    Mariola

    Best months: Jul–Sep

    Why dive here

    With 66+ marine species recorded in the area - including jellyfish lake - Mariola 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 35m

    Mariola. Say it with a bit of a sigh, like you’re recalling a good friend. This isn't just a wreck; it's a piece of history resting at 35 metres, a stark reminder of WWII. We love the way she sits upright, almost defiant, even after all these years. Dropping down, the first thing you notice is the sheer size, then the details start to emerge from the low visibility, often around 5-10 metres here. The wheelhouse is still largely intact, and we've spent many dives just finning slowly around it, imagining the final moments. The currents can pick up, so check conditions, but on a calm day, it’s a peaceful, somewhat eerie dive. Inside, the holds are open, inviting cautious exploration, and we've seen cod and even a few shy scorpionfish tucked into the nooks. It's not a riot of colour like some tropical reefs, but the grey scale beauty, the way the light filters through the superstructure, has its own profound appeal. Our favourite part has to be the stern, where the prop shaft is still visible, encrusted with anemones – a truly atmospheric spot for a safety stop. This site is for divers who appreciate history, the quiet drama of a wreck, and don’t mind a bit of a chill in the water.

    Typical Mariola Dive Profile

    15m30mSafety Stop0m35m max~20 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

    Deep dive (35m) - monitor air consumption closely. Advanced 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.

    Today06:1617:0910h 53m daylightGolden hour 16:20

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    Conditions

    Ocean conditions, forecast and tides for Mariola

    Mariola Ocean Conditions

    Monthly averages for Mariola, 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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