長崎県 北部 JMA · 長崎県
09/18 05:00 JST updated
Today 2026-09-18 · Cloudy 昼前 onward evening Rain locally morning onward with thunder
Rain % 50% · Temp 30~30° · Wind E wind then N wind moderately strong 平戸・松浦地区 NE wind strong · Waves 2.5m then 3m
■ High waves advisory ■ Thunderstorm advisory ■ Strong wind advisory
Rain % 50% · Temp 30~30° · Wind E wind then N wind moderately strong 平戸・松浦地区 NE wind strong · Waves 2.5m then 3m
■ High waves advisory ■ Thunderstorm advisory ■ Strong wind advisory
3-day forecast
| Date | Weather | Wind | Waves | Temp |
|---|---|---|---|---|
| 09-18 | Cloudy 昼前 onward evening Rain locally morning onward with thunder | E wind then N wind moderately strong 平戸・松浦地区 NE wind strong | 2.5m then 3m | 30~30° |
| 09-19 | Rain morning 晩 Cloudy locally evening with thunder | E wind then N wind at sea NE wind moderately strong | 2.5m | 23~28° |
Weekly forecast
| Date | Weather | Rain % | Temp |
|---|---|---|---|
| 09-18 | Cloudy occasional Rain | —% | —~—° |
| 09-19 | Cloudy brief Rain | 50% | —~—° |
| 09-20 | Cloudy occasional Clear | 30% | —~—° |
| 09-21 | Cloudy occasional Clear | 30% | —~—° |
| 09-22 | Clear occasional Cloudy | 20% | —~—° |
| 09-23 | Cloudy occasional Clear | 30% | —~—° |
| 09-24 | Clear occasional Cloudy | 20% | —~—° |
Port wave observations (NOWPHAS)
| Station | Distance | Time | Sig. wave | Period | Direction |
|---|---|---|---|---|---|
| Iojima | 49.2 km | 09/18 10:00 | 0.2 m | 5.3 s | WNW |
Nearby AMeDAS observations
| Station | Distance | Temp | RH | Wind | Rain 1h / 24h |
|---|---|---|---|---|---|
| Sasebo | 0.0 km | 28.1° | 65% | 東南東 4.6 m/s | 0.0 / 0.0 mm |
| Saikai | 17.6 km | 27.1° | 70% | 東北東 2.1 m/s | 0.0 / 0.0 mm |
| Imari | 18.6 km | 26.2° | 72% | 西北西 0.9 m/s | 0.0 / 0.0 mm |
| Matsuura | 20.4 km | 27.2° | 70% | 北北東 2.6 m/s | 0.0 / 0.0 mm |
Open the app: Japan map, AMeDAS, NOWPHAS and nearby fishing ports →
tidewx.com · Data: Japan Meteorological Agency (JMA) · AMeDAS · MLIT Ports Bureau NOWPHAS · English is rule-based, not an official translation · page generated 09/18 09:36, refreshed every 5 min · Sources