05-0123
Drifting 8m log in Tosa Wan, south coast of Shikoku
No longer in forceReceived 21 Oct 2026, 05:00 UTCArchived 25 Oct 2026, 07:44 UTC
Warning text
Positions open on the mapLocation map
Open in the full mapAnalysis
No longer in forceA log about 8 metres long is adrift in the vicinity of Tosa Wan on the south coast of Shikoku. Position reported at 33-00.6N 133-42.4E. Warning promulgated 21 Oct (see validity).
Navigate with caution and keep well clear of the drifting log; maintain a proper lookout.
- Type
- Drifting object · severity high
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- South coast of Shikoku, Tosa Wan
- Validity
- From 21 Oct 2026, 05:00 UTC
PROMULGATION TIME 211400 JST OCT. - Hazards
- drifting log
- Reported
- 21 Oct 2026, 03:30 UTC (11 days ago)The object keeps drifting: the map shows an indicative drift circle that grows with time.
Coast stations for this area
- RCCMRCC HiroshimaJapan102 NM from the area
- RCCMRCC NiigataJapan102 NM from the area
- RCCMRCC KobeJapan125 NM from the area
- DSCDSC Station TosayamaMRCC KobeJapanMMSI 004310501MF 150range 150 NM38 NM from the area
- DSCDSC Station NoroMRCC HiroshimaJapanMMSI 004310601MF 60range 60 NM91 NM from the area
- DSCDSC Station SenzanMRCC KobeJapanMMSI 004310501MF 60range 60 NM99 NM from the area
- DSCDSC Station ShionomisakiMRCC KobeJapanMMSI 004310501MF 150range 150 NM107 NM from the area
- DSCDSC Station AburatsuMRCC KagoshimaJapanMMSI 004311001MF 150range 150 NM144 NM from the area
Worked out automatically from the warning text on 21 Oct 2026, 06:07 UTC. It can be wrong: the official warning text is the authority.