粤航警343/26
3D seismic survey in South China Sea (area bounded by four points), 5 Jun-27 Nov
Warning text
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Open on the full mapAnalysis
No longer in forceFrom 5 June to 27 November 2026 two vessels (HAI YANG SHI YOU 719 and 720) will conduct 3D seismic acquisition in a polygon in the South China Sea. The area is defined by four positions given in the warning. Vessels are requested to give a wide berth and avoid the area.
- 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 lines connecting four given positions
- Validity
- From 05 Jun 2026, 00:00 UTC
Until 27 Nov 2026, 23:59 UTC6月5日至11月27日 - Activity periods
- 05 Jun 2026, 00:00 UTC - 27 Nov 2026, 23:59 UTC (continuous between these dates (daily))
- Hazards
- 3D seismic acquisition
Worked out automatically from the warning text on 30 Sept 2026, 00:31 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.