DenmarkAlssund - Police check more on the water

Jill Grigoleit

 · 01.06.2026

Denmark: Alssund - Police check more on the waterPhoto: Syd- og Sønderjyllands Politi
The police now patrol the Alssund north of Sønderborg more frequently.
In Alssund between the Danish mainland and the island of Als, the Danish police have been stepping up checks on boaters since the start of the season. What you should generally be aware of.

The almost 5.5 nautical mile long Alssund between the mainland of southern Jutland and the island of Als is considered a protected shortcut on the way from the Flensburg Fjord via the Alsfjord to the Little Belt. According to the Danish newspaper Bådmagasinet, the Danish police have now decided to use this bottleneck to carry out more checks on passing sailors and pleasure craft - and to punish any offences immediately.

Ignorance of rules frequent justification

During their operations, the officers were often told that they were unaware of the existing regulations - for example by a jetski driver who violated the ban on this fast type of vehicle in Dyvig Bay on the island at the northern end of Alssund, which is popular because of its natural surroundings, as the magazine reports.

For the coming season, the police have announced that they will continue to increase their presence to ensure compliance with the rules and safety in the comparatively narrow waters of the Sound and the area in general.

What the police can check

During a standard inspection, the required proof must usually be presented, including insurance. Suitable and approved life jackets must also be on board for all persons.

If rule-breaking is observed, such as violations of general or local driving rules or the use of lights, you can also expect to be charged. The same applies if the blood alcohol limit of 0.5 per cent applies.


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Jill Grigoleit

Jill Grigoleit

Editor Travel

Jill Grigoleit was born in Hanover in 1985. An early childhood memory is the large collection of YACHT and SURF magazines from her sailing and surfing enthusiast father. However, growing up in a small Swabian village on the Neckar, she had less to do with water sports in her childhood, apart from a few trips to the Baltic Sea with her family. After studying journalism in Bremen and Hanover, she went into television for a few years. Through a few lucky coincidences, she ended up on the water in 2011 and then returned to the written word professionally. For over ten years, she lived with her family on a houseboat in their own harbor south of Hamburg and wrote a book about houseboat building and life with children on the water. Since 2020, she has mainly been writing travel reports and features about people who live and work on and near the water for BOOTE. She has been a permanent member of the Delius Klasing water sports editorial team since January 2024.

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