34m
    North Sea Coast, Denmark
    Flenborg Fjord, Bredgrund and waters around Als

    BLACK STAR

    Best months: Jul–Aug

    Protected Area

    Flenborg Fjord, Bredgrund and waters around Als

    Why dive here

    With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - BLACK STAR offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 5mm wetsuit
    Marine lifeSeals & Sea Lions, Sea Turtles and Jellyfish Lake · 95+ species recorded
    Water3-19°C · warmest July, August, September
    CharacterWreck dive · max 34m

    The Black Star wreck is one of our favourites along the North Sea coast. It’s a 12.2-metre pleasure craft, but don't let the "pleasure craft" part fool you into thinking it's just a small boat. This wreck has a real story, sinking after a fire, and you can still feel that history as you descend. It sits upright at 34 metres, offering some fantastic penetration opportunities for those with the right training. We love to explore the wheelhouse and the engine room, picturing the chaos of its final moments. What really makes the Black Star special, though, is how nature has reclaimed it. The entire hull is draped in dead man's fingers, swaying gently in the current, creating this ghostly, ethereal feel. Ling and cod lurk in the shadowed nooks, darting into the gloom as you approach. Keep an eye out for conger eels too, peering from pipes. This is definitely a dive for advanced wreck enthusiasts who appreciate a bit of historical intrigue and don't mind a deeper profile. Visibility can vary, but on a good day, the sight of the intact wreck emerging from the North Sea green is something else.

    Typical BLACK STAR Dive Profile

    15m30mSafety Stop0m34m 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 (34m) - 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 13°C). Drysuit or thick wetsuit (7mm+) recommended.

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

    Today06:4117:3310h 52m daylightGolden hour 16:43

    BLACK STAR Wreck History

    Vessel Type

    unknown

    Cause

    fire

    The story of the "Black Star" is a mystery shrouded by the cold, dark waters of the North Sea. All that is known for certain about this 12-meter pleasure craft is its fiery demise. A blaze onboard sealed its fate, sending it to the seabed off the Danish coast. Lying at a depth of 34 meters, this wreck is a target for experienced, advanced-certified divers prepared for the challenging conditions of the North Sea. The low visibility and cool temperatures add to the wreck's enigmatic atmosphere, inviting divers to explore its compact remains and ponder the circumstances that led to its final, tragic voyage.

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    Conditions

    Ocean conditions, forecast and tides for BLACK STAR

    BLACK STAR Ocean Conditions

    Monthly averages for BLACK STAR, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (55.31, 9.86) (1km away)

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    October Averages

    Sea Temperature

    13°C

    56°F · Range: 10.7–16.8°C

    Air Temperature

    11°C

    52°F

    Wind Speed

    7.69 m/s

    14.9 knots

    Atmospheric Pressure

    1010.5 hPa

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

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