26-2106
Received: 4 Nov 2026, 09:00Updated: 4 Nov 2026, 08:21
analysis
Scheduledstarts 04 Nov 2026, 23:00 UTC (in 14 h)Japan NAVTEX Naha: temporarily reduced usable area affecting Nansei Shoto reception
Japan NAVTEX station Naha (Station G) will have a temporarily reduced usable area affecting reception centered at 26-05.5N 127-40.1E. Two outage windows are scheduled: 04 Nov 2300 to 05 Nov 0800 UTC and alternate 05 Nov 2300 to 06 Nov 0800 UTC. The message is self-cancelling at 06 Nov 0900 UTC.
Expect reduced NAVTEX reception from Naha during the stated periods; use alternative communications or other NAVTEX stations and maintain routine watch by other means.
- 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
- NANSEI SHOTO. NAHA
- Validity
- From 04 Nov 2026, 23:00 UTC
Until 06 Nov 2026, 09:00 UTC042300Z TO 050800Z NOV, ALTERNATE 052300Z TO 060800Z NOV. CANCEL THIS MSG 060900Z NOV. - Activity periods
- 04 Nov 2026, 23:00 UTC - 05 Nov 2026, 08:00 UTC (first reduced usable area window)
- 05 Nov 2026, 23:00 UTC - 06 Nov 2026, 08:00 UTC (alternate reduced usable area window)
- Hazards
- reduced NAVTEX usable area, possible degraded NAVTEX reception
Coast stations for this area
- RCCMRCC NahaJapan9 NM from the area
- RCCMRCC KagoshimaJapan361 NM from the area
- RCCMRSC NingboChina396 NM from the area
- DSCDSC Station TamagusukuMRCC NahaJapanMMSI 004311101MF 150range 150 NM6 NM from the area
- DSCDSC Station NazeMRCC KagoshimaJapanMMSI 004311001MF 100range 100 NM169 NM from the area
- DSCDSC Station MiyaraMRCC NahaJapanMMSI 004311101MF 150range 150 NM215 NM from the area
- DSCDSC Station Chi-Lung (Keelung)TaiwanMMSI 004162019HF326 NM from the area
- DSCDSC Station Yoko-oMRCC KagoshimaJapanMMSI 004311001MF 150range 150 NM355 NM from the area
Generated automatically from the warning text on 04 Nov 2026, 08:27 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
NANSEI SHOTO.
NAHA
JAPAN NAVTEX STATION, G, 26-05.50N 127-40.10E, TEMPORARILY REDUCED USABLE
AREA. 042300Z TO 050800Z NOV, ALTERNATE
052300Z TO 060800Z NOV.
CANCEL THIS MSG 060900Z NOV.