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Surf Forecasts:
Aoshima surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Aoshima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima sea temperature is
22.5° C
(Which is slightly cooler than normal)How big are the waves at Aoshima today?
The current surf forecast for Aoshima at 2AM is: 0.9m 9s primary swell from a East-southeast direction and 0.5m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.8m) | 10s |
| Afternoon (19 May) | 2.5ft (0.8m) | 10s |
| Evening (19 May) | 3ft (0.9m) | 9s |
Table - waves today at Aoshima. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue night. Warm (max 26°C on Wed afternoon, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | ESE 9 | ESE 9 | SE 7 | SE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | |
138 | 146 | 149 | 150 | 120 | 117 | 120 | 117 | 118 | 144 | 178 | 195 | 164 | 251 | 204 | 180 | 253 | 253 | 258 | 166 | 166 | 210 | 156 | 233 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 7:49PM1.91m | 6:37AM1.95m | 8:33PM1.85m | 7:13AM1.89m | 9:21PM1.79m | 7:53AM1.79m | ||||||||||||||||||
Low Tide | 1:10AM1.01m | 1:36PM-0.04m | 1:49AM1.08m | 2:17PM0.06m | 2:35AM1.14m | |||||||||||||||||||
 |  | | | |  | |  | |  | | |  | | | | |  |  |  |  | | | | |
 | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | 4 | 5 | 1 | 1 | — | — | — | — | 1 | — | — | 1 | 2 | 1 | — | |
Temp °C | 23 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 21 | 20 | 21 | 21 | 21 | 22 | 23 | 26 | 25 | 23 | 23 | 22 | 23 | 23 | 24 | 24 |
23 | 22 | 23 | 22 | 21 | 22 | 21 | 23 | 21 | 21 | 22 | 23 | 23 | 24 | 26 | 27 | 26 | 25 | 25 | 23 | 23 | 22 | 25 | 24 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | E 10 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 7 | ESE 10 | ESE 9 | ESE 9 |
 kJ | 138 | 146 | 149 | 150 | 120 | 117 | 56 | 79 | 81 | 115 | 124 | 143 | 164 | 183 | 204 | 168 | 253 | 253 | 258 | 166 | 85 | 210 | 156 | 126 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | SE 10 | SE 10 | SE 5 | SE 5 | SE 6 | E 10 | E 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | SSE 7 | SSE 7 | S 6 | ESE 10 | — | — | — |
| kJ | 14 | 28 | 28 | 13 | 29 | 43 | 120 | 117 | 118 | 144 | 141 | 126 | 163 | 163 | 163 | 166 | — | 108 | 73 | 49 | 166 | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | SE 10 | — | — | SE 10 | ESE 11 | — | E 8 | E 8 | — | — | — | — | — | — | — | — | — | SE 7 | — | — | — | — |
| kJ | 10 | — | 28 | — | — | 27 | 44 | — | 36 | 33 | — | — | — | — | — | — | — | — | — | 47 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 5 | — | — | SE 6 | — | — | — | — | SE 7 | SE 7 | — | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | SSE 7 | S 6 | S 7 | S 7 | S 7 | S 7 |
| kJ | — | — | 13 | — | — | 68 | — | — | — | — | 178 | 195 | — | 251 | 146 | 180 | 115 | 153 | 152 | 139 | 123 | 86 | 126 | 233 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 50 | 8 | 0 | 38 | 38 | 60 | 330 | 330 | 50 | 50 | 2 | 3 | 20 | 20 | 5 | 297 | 232 | 0 | 0 | 0 | 283 | 326 | 631 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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