02-0218
ArchivedReceived: 9 Oct 2026, 07:20Archived: 16 Oct 2026, 08:23Updated: 30 Oct 2026, 05:04
analysis
No longer in forceShiriyamisaki Ko east breakwater light extinguished, temporary light established
The east breakwater light at Shiriyamisaki Ko (northern Honshu) has been reported extinguished. A temporary green flashing light (Fl G 3s) has been established in its place. Position given 41-24.6N 141-25.6E. Message promulgated 091620 JST Oct.
Navigate with caution; note that the permanent light is extinguished and a temporary Fl G 3s light is established at the position given.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
- Location
- Honshu north coast, Shiriyamisaki Ko (east breakwater)
- Validity
- From 09 Oct 2026, 07:20 UTC
PROMULGATION TIME 091620 JST OCT. - Hazards
- light extinguished, temporary light established (changed characteristic)
Coast stations for this area
- RCCMRCC OtaruJapan109 NM from the area
- RCCMRSC Yuzhno-SakhalinskRussian Federation336 NM from the area
- RCCMRCC KitakyushuJapan354 NM from the area
- DSCDSC Station HakadateyamaMRCC OtaruJapanMMSI 004310101MF 150range 150 NM38 NM from the area
- DSCDSC Station SameMRCC ShiogamaJapanMMSI 004310201MF 150range 150 NM56 NM from the area
- DSCDSC Station NyudozakiMRCC ShiogamaJapanMMSI 004310201MF 150range 150 NM116 NM from the area
- DSCDSC Station ShakotanMRCC OtaruJapanMMSI 004310101MF 150range 150 NM122 NM from the area
- DSCDSC Station KamaishiMRCC ShiogamaJapanMMSI 004310201MF 150range 150 NM131 NM from the area
Aids to navigation affected
- ChangedSHIRIYAMISAKI KO EAST BRAKEWATER LIGHT · temporary Fl G 3s (permanent light extinguished) · LIST OF LIGHT VOLUME 1, 1555 · 41-24.6N 141-25.6E
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Generated automatically from the warning text on 09 Oct 2026, 10:52 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
AIDS
2ND RCG LOCAL WARNING NO.0218
HONSHU N COAST SHIRIYAMISAKI KO EAST BRAKEWATER LIGHT EXTINGUISHED. AND
NAVIGATIONAL AIDS
2ND REGIONAL COAST GUARD HEADQUARTERS LOCAL WARNING NO.218,
PROMULGATION TIME 091620 JST OCT.
HONSHU, N COAST, SHIRIYAMISAKI KO EAST BRAKEWATER LIGHT,
41-24.60N 141-25.60E, LIST OF LIGHT VOLUME 1, 1555, EXTINGUISHED.
AND TEMPORARY LIGHT SET, FL G 3SEC.