30m
    Baltic Coast, Sweden

    NIMETU-409

    Best months: Jul–Aug

    Why dive here

    With 50+ marine species recorded in the area - including dwarf minke whales and jellyfish lake - NIMETU-409 offers some of Baltic Coast's richest wreck diving. Water ranges 1-17°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 5mm wetsuit
    Marine lifeDwarf Minke Whales and Jellyfish Lake · 50+ species recorded
    Water1-17°C · warmest July, August, September
    CharacterWreck dive · max 30m

    NIMETU-409, a WWII-era German minesweeper, rests at 30 metres, mostly intact despite the decades. We love it for the eerie, almost pristine feel of a vessel frozen in time. Descending through the Baltic’s green embrace, the wreck slowly materialises, a sharp silhouette against the gloom. The stern is our favourite spot, where the deck guns still point skyward, encrusted with a thin layer of growth that gives them a ghostly, barnacled texture. You can swim through parts of the superstructure, feeling the cool rush of water as you pass through doorways and past portholes that once looked out over a very different sea. While there isn't a riot of tropical colour here, we've found plenty of interesting macro life, like small gobies darting between crevices and the occasional starfish clinging to a bulkhead. Visibility can be a bit variable, but on a good day, the low light penetration actually adds to the dramatic atmosphere. It's a dive that speaks to history, ideal for those who appreciate the quiet solemnity of a well-preserved wreck rather than a bustling reef.

    Typical NIMETU-409 Dive Profile

    10m20m30mSafety Stop0m30m max~30 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

    Depth of 30m - Advanced Open Water certification recommended.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.

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

    Today05:5916:4010h 41m daylightGolden hour 15:45

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    Conditions

    Ocean conditions, forecast and tides for NIMETU-409

    NIMETU-409 Ocean Conditions

    Monthly averages for NIMETU-409, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (59.85, 20.79) (4km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    11°C

    53°F · Range: 7.3–14.8°C

    Air Temperature

    8°C

    47°F

    Wind Speed

    5.57 m/s

    10.8 knots

    Atmospheric Pressure

    1010.6 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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