02-0230
Unmanned fishing vessel wreck drifting SSE of Shiriyazaki (Honshu east coast)
No longer in forceReceived 24 Oct 2026, 02:00 UTCArchived 25 Oct 2026, 01:21 UTC
Warning text
DRIFTING
2ND RCG LOCAL WARNING NO.0230
HONSHU E COASTSHIRIYA SAKIUNMANNED FISHING VESSEL SUNKEN WRECK
DRIFTING OBJECT,
2ND REGIONAL COAST GUARD HEADQUATERS LOCAL WARNING NO.230,
PROMULGATION TIME 241100 JST OCT.
HONSHU, EAST COAST, SSE OF SHIRIYASAKI.
UNMANNED FISHING VESSEL KOTOBUKIMARU NO.8, ABOUT 17 METER,
SUNKEN WRECK, IN 41-14..69N 141-33.55E, AT 240956 JST OCT.
CANCEL 2ND REGIONAL COAST GUARD HEADQUARTERS LOCAL WARNING NO.229.
Analysis
No longer in forceAn unmanned fishing vessel (KOTOBUKIMARU NO.8), about 17 m, has sunk and is reported as a drifting wreck SSE of Shiriyazaki on the east coast of Honshu. Position reported at 41-14..69N 141-33.55E with sighting time 240956 JST (00:56 UTC 24 Oct). Message promulgated 241100 JST (02:00 UTC 24 Oct). This warning cancels local warning no.229.
Navigate with caution and keep a sharp lookout for a drifting wreck; avoid the position if sighted and report sightings to the local coast guard.
- Type
- Drifting object · severity high
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- Honshu, east coast, SSE of Shiriyazaki
- Validity
- From 24 Oct 2026, 02:00 UTC
PROMULGATION TIME 241100 JST OCT. ... AT 240956 JST OCT. - Activity periods
- 24 Oct 2026, 02:00 UTC - ? (Promulgated 241100 JST (02:00 UTC); sighting reported at 240956 JST (00:56 UTC))
- Hazards
- sunken wreck, drifting object (unmanned fishing vessel)
- Reported
- 24 Oct 2026, 00:56 UTC (8 days ago)The object keeps drifting: the map shows an indicative drift circle that grows with time.
- Cancels
- 2ND REGIONAL COAST GUARD HEADQUARTERS LOCAL WARNING NO.229.
Vessels involved
- KOTOBUKIMARU NO.8 · unmanned fishing vessel (sunken wreck)
Worked out automatically from the warning text on 24 Oct 2026, 03:28 UTC. It can be wrong: the official warning text is the authority.