NO.1305
Protected Area
Sprogø og Halsskov Rev
Why dive here
With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - NO.1305 offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.
NO.1305 isn't just a wreck, it's a piece of history resting on the seabed. This minesweeper, sunk in June 1940, lies intact at a comfortable 12 metres, making it approachable for most divers. We love drifting over its deck, imagining the final moments, the silence now broken only by the gentle sweep of the current and the buzz of tiny gobies darting into crevices. What you'll find here is a genuine relic. The stern still holds its shape, and you can swim through the superstructure, watching light shafts filter down, illuminating the rusted metal. Shoals of cod often hang around the deeper sections, their dark forms camouflaged against the aged steel. Our favourite tip? Go on a calm day; the North Sea can be temperamental, but when it’s still, the visibility around NO.1305 can be surprisingly clear, giving you a proper sense of the scale of this wartime vessel. It’s a dive for those who appreciate history and don't mind a bit of grit with their underwater exploration.
Typical NO.1305 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 NO.1305
NO.1305 Ocean Conditions
Monthly averages for NO.1305, 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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