粤航警668/26
Survey operations in South China Sea area off Guangdong, 18 Sep to 30 Nov
Activeuntil 30 Nov 2026, 23:59 UTC (in 30 days)Received 18 Sept 2026, 08:54 UTC
Warning text
Positions open on the mapLocation map
Open in the full mapAnalysis
Activeuntil 30 Nov 2026, 23:59 UTC (in 30 days)Survey vessels HAI YANG SHI YOU 708, 709 and 770 (and others) are conducting survey operations within a polygon of four positions in the South China Sea off Guangdong. Activity is stated from 18 September to 30 November. Entering the area is prohibited.
Do not enter the marked survey area; keep clear and navigate with caution.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- South China Sea, Guangdong waters
- Validity
- From 18 Sept 2026, 00:00 UTC
Until 30 Nov 2026, 23:59 UTCFROM 18 SEPT. TO 30 NOV. - Activity periods
- 18 Sept 2026, 00:00 UTC - 30 Nov 2026, 23:59 UTC (survey operations stated for this entire period)
- Hazards
- survey operations, prohibited area
Coast stations for this area
- RCCMRCC Hong KongHong Kong, China (Associate Member of IMO)57 NM from the area
- RCCMRSC ShantouChina184 NM from the area
- RCCMRSC XiamenChina280 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Victoria PeakMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50range 50 NM56 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Tai Mo ShanMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50, MF 200, HFrange 200 NM64 NM from the area
- DSCDSC Station Guangzhou RadioMRCC GuangdongChinaMMSI 004123100VHF 25, MF 100range 100 NM117 NM from the area
- DSCDSC Station Wenzhou RadioMRSC ShantouChinaMMSI 004123200MF 100range 100 NM177 NM from the area
- DSCDSC Station Zhanjiang RadioMRSC ZhanjiangChinaMMSI 004123100VHF 25, MF 100range 100 NM222 NM from the area
Worked out automatically from the warning text on 29 Sept 2026, 23:38 UTC. It can be wrong: the official warning text is the authority.