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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Tuesday 12 May 2026 JSTForecast update in hr min s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
21.6° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 5AM is: 1.1m 9s primary swell from a East-southeast direction and 0.1m 11s secondary swell from a South direction (forecast issued at 02:00am May 12). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 3.5ft (1.1m) | 9s |
| Afternoon (12 May) | 4.5ft (1.3m) | 9s |
| Evening (12 May) | 5ft (1.5m) | 10s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 21°C on Tue morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | |
221 | 207 | 207 | 203 | 232 | 274 | 329 | 391 | 383 | 383 | 375 | 307 | 307 | 260 | 260 | 248 | 211 | 211 | 203 | 169 | 207 | 217 | 221 | 226 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross | cross-on | on | cross-on | cross-on | glassy | cross-off | glassy | cross | cross-on | on | cross-on | glassy | glassy | glassy | cross-off | cross-off | on | on | on | on | cross | |
High Tide | 2:56AM1.74m | 3:24PM1.62m | 3:31AM1.81m | 4:16PM1.75m | 4:03AM1.87m | 5:02PM1.86m | ||||||||||||||||||
Low Tide | 9:19AM0.64m | 9:20PM0.66m | 9:57AM0.43m | 10:06PM0.69m | 10:34AM0.24m | |||||||||||||||||||
 | |  |  | | | |  |  |  | | | | | | | | | | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — |
— | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 17 | 19 | 21 | 21 | 21 | 20 | 18 | 17 | 17 | 19 | 20 | 20 | 21 | 20 | 19 | 18 | 18 | 20 | 21 | 21 | 21 | 21 |
19 | 18 | 16 | 18 | 19 | 19 | 21 | 21 | 18 | 17 | 17 | 19 | 19 | 20 | 22 | 21 | 20 | 18 | 18 | 20 | 20 | 20 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 |
 kJ | 221 | 207 | 207 | 203 | 232 | 274 | 329 | 391 | 383 | 383 | 375 | 307 | 307 | 260 | 260 | 248 | 211 | 211 | 203 | 169 | 207 | 217 | 221 | 226 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | — | S 11 | S 11 | S 8 | S 8 | S 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 2 | 2 | 2 | 2 | — | 2 | 2 | 1 | 1 | 1 | 3 | 6 | 6 | 6 | 6 | 1 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 11 | — | S 10 | S 10 | — | — | — | — | S 10 | S 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | — | 2 | 2 | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 3 | 19 | 49 | 330 | 49 | 0 | 0 | 0 | 3 | 19 | 49 | 49 | 0 | 0 | 0 | 0 | 0 | 39 | 49 | 284 | 49 | 19 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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