03-0377
ArchivedReceived: 5 Oct 2026, 03:35Archived: 7 Oct 2026, 07:41Updated: 31 Oct 2026, 09:06
analysis
No longer in forceRope with lighted buoy adrift southwest of Inubo Saki
A rope with a buoy fitted with a light was reported adrift southwest of Inubo Saki. The object (max 18 metre long) was sighted in the vicinity of 35-27N 140-29E at 050630 JST OCT. The buoy light characteristic is Fl Y 4s. No end time or instructions are given.
Navigate with caution and keep a sharp lookout for the drifting buoy; report sightings to the coastguard.
- Type
- Drifting object · severity high
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- southwest of Inubo Saki
- Validity
- From 05 Oct 2026, 03:35 UTC
3RD RCG LOCAL WARNING NO.377. 051235 JST OCT. ... AT 050630 JST OCT. - Activity periods
- ? - ? (Object reported sighted at 050630 JST OCT (see observed_at))
- Hazards
- drifting rope with buoy with light
- Reported
- 04 Oct 2026, 21:30 UTC (27 days ago)The object keeps drifting: the map shows an indicative drift circle that grows with time.
Coast stations for this area
- RCCMRCC KitakyushuJapan38 NM from the area
- RCCMRCC YokohamaJapan42 NM from the area
- RCCMRCC NagoyaJapan48 NM from the area
- DSCDSC Station ChoshiMRCC YokohamaJapanMMSI 004310301MF 150range 150 NM25 NM from the area
- DSCDSC Station Japan Coast GuardMRCC MaizuruJapanMMSI 004310001HF38 NM from the area
- DSCDSC Station Japan Coast GuardMRCC KagoshimaJapanMMSI 004310001HF38 NM from the area
- DSCDSC Station Japan Coast GuardMRCC KobeJapanMMSI 004310001HF38 NM from the area
- DSCDSC Station Japan Coast GuardMRCC YokohamaJapanMMSI 004310001HF38 NM from the area
Aids to navigation affected
- Off station · Fl Y 4s · in vicinity of 35-27N 140-29E
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Generated automatically from the warning text on 05 Oct 2026, 04:07 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
DRIFTING
3RD RCG LOCAL WARNING NO.0377
SOUTHWEST OF INUBO SAKI ROPE WITH BUOY WITH LIGHT ADRIFT
DRIFTING OBJECT
3RD RCG LOCAL WARNING NO.377. 051235 JST OCT.
SOUTHWEST OF INUBO SAKI,
ROPE WITH BUOY WITH LIGHT, MAX 18 METRE LONG, FL Y 4 SEC, ADRIFT.
IN VICINITY OF 35-27.00N 140-29.00E,
AT 050630 JST OCT.