

Best for intermediate divers, 15-18m, shore entry, strong current.
Flydedok in Alssund is a challenging site defined by its wall and reef topography, suited for intermediate divers. Located in the Little Belt, the site is characterised by strong tidal currents that dictate the dive plan. Depths range from 15 to 18 metres, with an average of 16 metres. Visibility typically spans 5 to 10 metres. Due to cold water temperatures between 4 and 14 degrees Celsius, a drysuit is recommended. Shore entry is standard, and the site is supported by facilities including air fills, showers, and changing rooms. Divers must monitor boat traffic and use a surface marker buoy throughout the dive.
54.91920, 9.76760
Diving is not allowed as the wreck is inside the harbour area, and you may be charged 800 dkr by the police if caught.
The harbour area starts at the castle and ends at the new bridge.
Recorded at this site
Depth
15-18m
Visibility
5-10m
Skill Level
Intermediate
Entry
Shore
Water Temp
4-14°C
Current
Strong
The site has a depth range of 15 to 18 metres, with an average depth of 16 metres.
No, this site is intended for intermediate divers due to the strong currents and cold water conditions.
Entry to the site is from the shore.
While the site is used for both diving and snorkelling, the strong currents and depth make it better suited for experienced divers.
Hazards include strong currents, boat traffic, cold water, and low visibility. Divers should tow a surface marker buoy and check tidal tables before entering.
Diving at Flydedok in Sønderborg requires the following certifications: Open Water. Always dive within your training limits.
A drysuit recommended is recommended for diving at Flydedok in Sønderborg. Water temperatures range from 4°C to 14°C.
Flydedok in Sønderborg can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Flydedok in Sønderborg typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.