26-1929
PAN PANReceived: 10 Oct 2026, 14:00Updated: 31 Oct 2026, 20:05
analysis
ActiveUnderwater anchor-chain obstruction off Tomakomai Port, southern Hokkaido
An underwater obstruction consisting of an anchor chain 316 metres long exists off Tomakomai Port on Hokkaido's south coast. Position given as 42-34.64N 141-40.96E. No times or depths are provided. Mariners should navigate with caution in the vicinity.
Navigate with caution and keep clear of the position; maintain good lookout and safe passing distance.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- Tomakomai Ko (Tomakomai Port), south coast Hokkaido
- Hazards
- underwater obstruction, anchor chain 316 m long
Coast stations for this area
- RCCMRCC OtaruJapan47 NM from the area
- RCCMRSC Yuzhno-SakhalinskRussian Federation265 NM from the area
- DSCDSC Station HakadateyamaMRCC OtaruJapanMMSI 004310101MF 150range 150 NM66 NM from the area
- DSCDSC Station ShakotanMRCC OtaruJapanMMSI 004310101MF 150range 150 NM68 NM from the area
- DSCDSC Station SameMRCC ShiogamaJapanMMSI 004310201MF 150range 150 NM126 NM from the area
- DSCDSC Station TokotanMRCC OtaruJapanMMSI 004310101MF 150range 150 NM143 NM from the area
- DSCDSC Station SouyamisakiMRCC OtaruJapanMMSI 004310101MF 150range 150 NM177 NM from the area
Generated automatically from the warning text on 10 Oct 2026, 14:47 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- Navigational Hazardunderwater obstruction
Message content
HOKKAIDO, S COAST. TOMAKOMAI KO,
SECTION 4.
UNDERWATER OBSTRUCTIONS, ANCHOR CHAIN,
316 METER LONG, EXISTS IN
42-34.64N 141-40.96E.