粤航警345/26
3D seismic survey in South China Sea between 4 Jun and 27 Nov
Warning text
Positions open on the mapLocation map
Open on the full mapAnalysis
No longer in forceTwo vessels will carry out 3D seismic acquisition in a quadrilateral area of the South China Sea. Activity is reported from 4 June to 27 November 2026. Mariners are advised to take caution and keep clear of the area. The reporting authority is Guangdong MSA, China.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- South China Sea, area bounded by listed positions
- Validity
- From 04 Jun 2026, 00:00 UTC
Until 27 Nov 2026, 23:59 UTC6月4日至11月27日 (from 4 June to 27 November) - Activity periods
- 04 Jun 2026, 00:00 UTC - 27 Nov 2026, 23:59 UTC (continuous activity from 4 Jun to 27 Nov 2026 as stated)
- Hazards
- 3D seismic acquisition, towed seismic equipment
Worked out automatically from the warning text on 30 Sept 2026, 00:32 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
- Contacts
- 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.