INSTERBURG
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 - INSTERBURG offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.
The Insterburg is one of our favourites along the North Sea coast. It’s a steamship, lost on its way from Rotterdam to Königsberg in 1935, and while it’s mostly broken up, that’s actually its charm. You’ll find the remains spread across the seabed at a comfortable 10 metres, making for a long, relaxed dive. We love poking around the twisted metal plates and frames; it feels like an archaeological dig, discovering new pieces on each visit. This site is less about a single intact structure and more about the atmosphere of discovery. Sunlight filters down, illuminating the ghostly shapes of the hull plates. Look closely, and you’ll spot flatfish camouflaged against the rust, and often, we’ll see crabs scuttling between the debris. It’s a gentle dive, perfect for anyone who enjoys exploring a wreck’s history without the demands of deep penetration. The lack of strong currents here is a bonus, allowing plenty of time to really soak in the wreck's character.
Typical INSTERBURG 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.
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Conditions
Ocean conditions, forecast and tides for INSTERBURG
INSTERBURG Ocean Conditions
Monthly averages for INSTERBURG, 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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