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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Saturday 25 Apr 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
21.7° C
(Which is normal for this time of year)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 10PM is: 2.5m 10s primary swell from a East direction and 2.1m 10s secondary swell from a East direction (forecast issued at 02:00pm April 25). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 8ft (2.5m) | 9s |
| Evening (25 Apr) | 8ft (2.5m) | 10s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Sun afternoon. Warm (max 22°C on Tue morning, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | |
900 | 976 | 982 | 1170 | 1255 | 1424 | 1048 | 1352 | 963 | 845 | 805 | 651 | 575 | 449 | 328 | 235 | 161 | 129 | 100 | 78 | 57 | 55 | 41 | 40 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross-on | glassy | off | cross-off | cross | on | cross | cross | cross-off | cross-off | cross-off | off | glassy | |
High Tide | 11:46AM1.36m | 2:30AM1.60m | 1:48PM1.41m | 3:11AM1.68m | 3:05PM1.55m | 3:44AM1.76m | ||||||||||||||||||
Low Tide | 7:06PM0.52m | 8:34AM0.99m | 8:22PM0.52m | 9:20AM0.77m | 9:19PM0.51m | |||||||||||||||||||
 |  | |  | |  |  | |  | | |  |  |  |  | | | | | | | | |  | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — |
 | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | 6:51 |
1 | — | — | 1 | 2 | 3 | 2 | 3 | 4 | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 19 | 18 | 17 | 17 | 19 | 19 | 20 | 21 | 19 | 17 | 16 | 16 | 19 |
14 | 14 | 14 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 20 | 19 | 19 | 17 | 17 | 20 | 17 | 19 | 21 | 19 | 17 | 16 | 16 | 19 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 575 | 718 | 716 | 766 | 799 | 963 | 1048 | 1048 | 963 | 845 | 805 | 651 | 575 | 449 | 328 | 235 | 161 | 129 | 100 | 78 | 57 | 55 | 41 | 40 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | — | — | — | S 6 | — | — | — | — | SW 6 | SE 13 | SE 13 | SSW 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 4 | S 4 | ESE 12 | SE 12 | SE 12 |
| kJ | 4 | — | — | — | 3 | — | — | — | — | 2 | 7 | 7 | 7 | 8 | 8 | 8 | 5 | 2 | 2 | 2 | 1 | 14 | 22 | 22 |
Swell 3 Height (m) Direction Period (s) | SE 14 | — | — | — | — | — | — | — | — | — | SW 6 | S 6 | ESE 11 | ESE 11 | SE 13 | SE 11 | NNE 4 | SE 12 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 12 | SSW 4 |
| kJ | 8 | — | — | — | — | — | — | — | — | — | 2 | 1 | 12 | 12 | 7 | 20 | 4 | 6 | 6 | 6 | 14 | 14 | 14 | 1 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | — | E 10 | — | — | — | — | — | — | — | — | — | SSW 5 | SW 4 | — | NNE 4 | NNE 4 | — | — |
| kJ | 900 | 976 | 982 | 1170 | 1255 | 1424 | — | 1352 | — | — | — | — | — | — | — | — | — | 5 | 4 | — | 2 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 76 | 39 | 39 | 39 | 49 | 284 | 284 | 288 | 49 | 3 | 3 | 19 | 0 | 0 | 0 | 3 | 118 | 118 | 18 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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