HomeMapSky mapAlpha
More
Account
Loading…
Language: English
I am the creator and developer of SeaLagom.

02-0231

Drifting 8m log SE of Hirotasaki, Honshu east coast

No longer in forceReceived 25 Oct 2026, 01:00 UTCArchived 28 Oct 2026, 01:21 UTC

Warning text

Positions open on the map
DRIFTING 2ND RCG LOCAL WARNING NO.0231 HONSHU E COASTSE OF HIROTASAKI ADRIFT LOG DRIFTING OBJECT, 2ND REGIONAL COAST GUARD HEADQUATERS LOCAL WARNING NO.231, PROMULGATION TIME 251000 JST OCT. HONSHU E COAST, SE OF HIROTASAKI. LOG ABOUT 8METRE LONG. ADRIFT IN 38-53.80N 141-47.00E AT 250630 JST OCT.

Analysis

No longer in force

A drifting log about 8 metres long reported SE of Hirotasaki on the east coast of Honshu. Position given as 38-53.8N 141-47.0E, sighting reported at 250630 JST (06:30 JST on 25 Oct). Message promulgated 251000 JST (10:00 JST on 25 Oct). No cancellation or safety distance specified.

Navigate with caution, keep a good lookout for floating debris and avoid the reported position if practicable.

Type
Drifting object · severity moderate
Feed
Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location
Honshu east coast, SE of Hirotasaki
Validity
From 25 Oct 2026, 01:00 UTC
PROMULGATION TIME 251000 JST OCT. ADRIFT IN 38-53.8N 141-47.0E AT 250630 JST OCT.
Hazards
drifting log, floating debris
Reported
24 Oct 2026, 21:30 UTC (7 days ago)The object keeps drifting: the map shows an indicative drift circle that grows with time.

Coast stations for this area

Worked out automatically from the warning text on 25 Oct 2026, 02:47 UTC. It can be wrong: the official warning text is the authority.

Beta look