HERRENWYK
Protected Area
Marstal Bugt og den sydlige del af Langeland
Why dive here
With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - HERRENWYK offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.
Herrenwyk is a wreck we always enjoy, even if it’s a site that often gets overlooked. Dropping down to 14 metres, you’re greeted by the imposing bulk of a steamship, sunk back in 1942. It was originally the Swedish Martii Ragnar, a grand old girl built in 1912, then seized by the Germans before she hit a mine in Kiel Bay. We love tracing the deck, imagining her former glory. The wreck itself is home to so many critters, even without a species list to pull from. Expect to find conger eels peering from dark corners, and schools of cod often drift lazily above the superstructure. On a good visibility day, which can be hit or miss in the North Sea, the sheer scale of the 110-metre length is impressive, making for a proper exploration. Our favourite part is navigating the cargo holds, where sunlight, when it breaks through, creates an ethereal glow. It’s a dive for those who appreciate history and the way the sea reclaims its own, offering a rewarding experience for divers comfortable with wreck penetration.
Typical HERRENWYK Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
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.
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Conditions
Ocean conditions, forecast and tides for HERRENWYK
HERRENWYK Ocean Conditions
Monthly averages for HERRENWYK, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (55.31, 9.86) (1km away)
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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