NAVAREA XI - 23-0252

Issued: 28 Jul 2023, 08:00Last modified: 3 Nov 2026, 12:21

analysis

Active

Large buoy reported in East China Sea

A large buoy is reported to exist in the East China Sea at the position given. No dates or times are provided and no further details on characteristics or markings are included. Mariners are advised of the reported object and to navigate with caution in the area.

Navigate with caution and maintain a proper lookout for the buoy. Proceed at safe speed and avoid close approach.

Type: Aids to navigation · severity low
Feed: Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
Location: East China Sea
Hazards: large buoy

Coast stations for this area

RCCMRCC ShanghaiChina130 NM from the area
RCCMRSC NingboChina144 NM from the area
RCCRCC JejuRepublic of Korea197 NM from the area
DSCDSC Station Dalian RadioMRCC ShanghaiChinaMMSI 004122100VHF 25, MF 100range 100 NM127 NM from the area
DSCDSC Station Ningbo RadioMRSC NingboChinaMMSI 004122400VHF 25, MF 100range 100 NM142 NM from the area
DSCDSC Station Seoul RadioRCC JejuRepublic of KoreaMMSI 004400701VHF 25, MF 250range 250 NM195 NM from the area
DSCDSC Station Jeju Coast Guard Station, Jeju VTSRCC JejuRepublic of KoreaMMSI 004401005VHF 25, MF 250, HFrange 250 NM198 NM from the area
DSCDSC Station Wando VTSRCC SeohaeRepublic of KoreaMMSI 004403304VHF 25range 25 NM243 NM from the area

Aids to navigation affected

OtherLarge buoy (reported) · 31-00N 124-00E

No aids-to-navigation list in the database yet; aids are shown as the warning names them.

Generated automatically from the warning text on 27 Sept 2026, 15:31 UTC. It can be wrong: the original warning below is the authoritative text.

Message content

EAST CHINA SEA. LARGE BUOY REPORTED TO EXIST IN 31-00.00N 124-00.00E.

Location map

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