HAY
Protected Area
Thyborøn Stenvolde
Why dive here
With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - HAY offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.
The trawler HAY lies at 26 metres on the seabed off Denmark’s North Sea coast. It's a proper wreck dive, though officially classified as dangerous due to its condition. Expect to navigate through collapsed sections, with crabs and small fish making homes in the twisted metal. This site is best for experienced wreck divers comfortable with limited visibility and overhead environments.
Typical HAY Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 26m - 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 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 HAY
HAY Ocean Conditions
Monthly averages for HAY, 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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