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619/26

Container vessels at risk in TSS Terschelling - German Bight during high north to northwest waves

No longer in forceReceived 12 Nov 2026, 11:00 UTCArchived 14 Nov 2026, 00:50 UTC

Warning text

NAVIGATIONAL WARNING NO. 619 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No longer in force

Advisory for container vessels transiting the TSS Terschelling - German Bight. In wave heights above 3.0 m, container ships must take appropriate measures and alter course if necessary to avoid being beam-on to the waves. If wave heights exceed 4.0 m, container vessels longer than 200 m are recommended to use an alternative route via TSS East Friesland and German Bight western approach. This is an operational safety advisory; mariners should navigate with caution in heavy sea states.

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, risk of touching seabed, heavy seas / high waves from N to NW

Worked out automatically from the warning text on 13 Nov 2026, 22:09 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

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

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