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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Tuesday 19 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
22.5° C
(Which is slightly cooler than normal)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 10AM is: 0.8m 10s primary swell from a East direction and 0.8m 6s secondary swell from a Southeast direction, 1.0m 6s secondary swell from a Southeast direction (forecast issued at 02:00am May 19). The wind direction is predicted to be 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) | 4.5ft (1.3m) | 7s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 25°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 10 | ESE 10 | E 10 | E 10 | E 10 | ESE 9 | ESE 7 | ESE 9 | SE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | |
149 | 120 | 120 | 117 | 120 | 117 | 147 | 150 | 115 | 346 | 200 | 259 | 234 | 168 | 206 | 210 | 253 | 251 | 168 | 148 | 173 | 395 | 262 | 176 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | on | on | on | on | on | glassy | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | |
High Tide | 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 | 3:02PM0.19m | ||||||||||||||||||
 | |  | |  |  | |  |  | |  | | | | |  |  | | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — |
— | — | — | — | — | — | — | 1 | 11 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | |
Temp °C | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 22 | 21 | 22 | 22 | 23 | 25 | 24 | 23 | 23 | 22 | 24 | 25 | 25 | 24 | 23 | 20 |
23 | 22 | 22 | 22 | 21 | 22 | 21 | 22 | 25 | 23 | 24 | 24 | 26 | 25 | 24 | 25 | 25 | 23 | 25 | 25 | 25 | 26 | 25 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | E 10 | SE 6 | SE 6 | ESE 9 | SE 7 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | SSE 7 | ESE 10 | ESE 10 | S 7 | S 7 | S 7 |
 kJ | 149 | 120 | 120 | 117 | 49 | 76 | 147 | 105 | 113 | 176 | 200 | 178 | 234 | 168 | 185 | 210 | 253 | 251 | 93 | 132 | 129 | 204 | 158 | 91 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 5 | SE 6 | SE 6 | E 10 | E 10 | SE 6 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 7 | S 7 | S 6 | ESE 10 | — | — | ESE 10 | ESE 10 | ESE 10 |
| kJ | 28 | 17 | 24 | 40 | 120 | 117 | 59 | 147 | 115 | 126 | 159 | 163 | 132 | 166 | 163 | 121 | 57 | 51 | 166 | — | — | 129 | 94 | 94 |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | — | SE 10 | ESE 11 | ESE 10 | E 8 | — | — | — | — | — | ESE 10 | — | — | S 6 | SSE 7 | — | — | — | — | — | — | — |
| kJ | 28 | — | — | 27 | 44 | 58 | 50 | — | — | — | — | — | 135 | — | — | 20 | 37 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | — | — | SE 6 | SE 6 | — | — | ESE 7 | — | SE 7 | — | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 13 | — | — | 64 | 80 | — | — | 150 | — | 346 | — | 259 | 134 | 126 | 206 | 192 | 180 | 145 | 168 | 148 | 173 | 395 | 262 | 176 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 9 | 39 | 61 | 330 | 312 | 49 | 49 | 0 | 3 | 6 | 18 | 19 | 284 | 284 | 0 | 0 | 0 | 288 | 0 | 630 | 4 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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