熊本県 天草・芦北地方 JMA · 熊本県
09/18 05:00 JST updated
Today 2026-09-18 · Cloudy early afternoon onward Rain locally with thunder
Rain % 40% · Temp 31~31° · Wind E wind then moderately strong · Waves 1m then 1.5m but 芦N 地方 0.5m then 1m
■ Thunderstorm advisory ■ Strong wind advisory
Rain % 40% · Temp 31~31° · Wind E wind then moderately strong · Waves 1m then 1.5m but 芦N 地方 0.5m then 1m
■ Thunderstorm advisory ■ Strong wind advisory
3-day forecast
| Date | Weather | Wind | Waves | Temp |
|---|---|---|---|---|
| 09-18 | Cloudy early afternoon onward Rain locally with thunder | E wind then moderately strong | 1m then 1.5m but 芦N 地方 0.5m then 1m | 31~31° |
| 09-19 | Cloudy locally Rain with thunder | E wind | 1m but 芦N 地方 0.5m | 25~32° |
Weekly forecast
| Date | Weather | Rain % | Temp |
|---|---|---|---|
| 09-18 | Cloudy then Rain | —% | —~—° |
| 09-19 | Cloudy | 40% | —~—° |
| 09-20 | Cloudy occasional Clear | 30% | —~—° |
| 09-21 | Cloudy occasional Clear | 30% | —~—° |
| 09-22 | Cloudy occasional Clear | 30% | —~—° |
| 09-23 | Cloudy | 40% | —~—° |
| 09-24 | Cloudy occasional Clear | 30% | —~—° |
Port wave observations (NOWPHAS)
| Station | Distance | Time | Sig. wave | Period | Direction |
|---|---|---|---|---|---|
| Iojima | 63.2 km | 09/18 10:00 | 0.2 m | 5.3 s | WNW |
| Kumamoto | 79.8 km | 09/18 10:00 | 0.1 m | 2.8 s | — |
Nearby AMeDAS observations
| Station | Distance | Temp | RH | Wind | Rain 1h / 24h |
|---|---|---|---|---|---|
| Ushibuka | 0.0 km | 26.0° | 87% | 北東 2.0 m/s | 0.5 / 0.5 mm |
| Akune | 25.0 km | 26.0° | 87% | 北東 2.1 m/s | 0.0 / 0.0 mm |
| Izumi | 32.7 km | —° | —% | — | 0.0 / 0.0 mm |
| Hondo | 33.5 km | 25.1° | 91% | 北西 0.7 m/s | 0.5 / 0.5 mm |
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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