津航警51/26
3D seismic survey in Bohai Sea, 15 Feb to 30 Sep - 0.5 nm exclusion around operating vessels
Warning text
Positions open on the mapLocation map
Open on the full mapAnalysis
No longer in forceA 3D seismic acquisition project will be carried out in a polygonal area in the Bohai Sea. The operation runs from 15 Feb 08:00 to 30 Sep 24:00 (times as given). During operations a circular safety zone of 0.5 nautical miles radius around the operating vessel is established and entry is prohibited. Mariners are advised to exercise caution.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Bohai Sea, area bounded by six points given in message
- Validity
- From 15 Feb 2026, 08:00 UTC
Until 01 Oct 2026, 00:00 UTC2月15日0800时至9月30日2400时 - Activity periods
- 15 Feb 2026, 08:00 UTC - 01 Oct 2026, 00:00 UTC (3D seismic acquisition operations (times given as in message))
- Hazards
- 3D seismic survey, survey operations, safety exclusion zone around operating vessel
Worked out automatically from the warning text on 30 Sept 2026, 01:29 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
- Keep-clear distance
- Ships named
- Translations
- Nearby lights and rescue centres
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.