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573/26

Container ships at risk in TSS Terschelling-German Bight in heavy N to NW seas

No longer in forceReceived 10 Oct 2026, 16:20 UTCArchived 11 Oct 2026, 03:24 UTC

Warning text

NAVIGATIONAL WARNING NO. 573 TSS TERSCHELLING-GERMAN BIGHT FOLLOWING CONTAINERVESSELS ARE AT RISK OF LOSING CONTAINERS AND TOUCHING THE SEABED DURING HEAVY SEA CONDITIONS AND HIGH WAVES FROM A NORTH TO NORTHWEST DIRECTION: AT A WAVE HEIGHT ABOVE 3.0M CONTAINERVESSELS HAVE TO TAKE APPROPRIATE MEASURES AND ALTER COURSE IF NECESSARY TO AVOID COMING TRANSVERSE TO THE WAVE DIRECTION. AT A WAVE HEIGHT ABOVE 4.0M CONTAINERVESSELS WITH A LENGTH ABOVE 200M ARE RECOMMENDED TO FOLLOW ALTERNATIVE ROUTE VIA TSS EAST FRIESLAND AND GERMAN BIGHT WESTERN APPROACH.

Analysis

No longer in force

Authorities warn that containerships transiting the TSS Terschelling-German Bight may lose containers or touch the seabed in heavy seas from the north to northwest. If significant wave height exceeds 3.0 m, containerships must take appropriate measures and alter course to avoid being beam-on to the waves. If wave height exceeds 4.0 m, containerships longer than 200 m are recommended to use the alternative route via TSS East Friesland and German Bight western approach. Mariners should monitor sea state and navigate accordingly.

Type
Navigational hazard · severity high
Feed
Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location
TSS Terschelling - German Bight
Hazards
loss of containers, vessel touching seabed, heavy seas from north to northwest

Worked out automatically from the warning text on 10 Oct 2026, 17:37 UTC. It can be wrong: the official warning text is the authority.

The whole analysis comes with Lagom

This warning's analysis also has:

  • Action for mariners
  • Ships named
  • Translations

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