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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 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 4PM is: 0.8m 10s primary swell from a East-southeast direction and 1.0m 6s secondary swell from a Southeast direction, 0.8m 8s secondary swell from a East direction (forecast issued at 08:00am 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) | 3.5ft (1.0m) | 9s |
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 13mm), heaviest on Tue night. Warm (max 26°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | E 10 | E 10 | E 10 | ESE 9 | E 9 | SE 7 | SE 7 | ESE 10 | SSE 7 | SE 7 | SE 7 | ESE 10 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | SSW 7 | SSW 7 | ESE 10 | ESE 9 | |
120 | 117 | 120 | 117 | 118 | 176 | 147 | 147 | 166 | 251 | 210 | 209 | 166 | 166 | 296 | 290 | 179 | 132 | 145 | 150 | 268 | 152 | 104 | 100 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | cross-off | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | off | |
High Tide | 6:37AM1.95m | 8:33PM1.85m | 7:13AM1.89m | 9:21PM1.79m | 7:53AM1.79m | 10:14PM1.72m | ||||||||||||||||||
Low Tide | 1:36PM-0.04m | 1:49AM1.08m | 2:17PM0.06m | 2:35AM1.14m | 3:02PM0.19m | |||||||||||||||||||
 | |  |  | |  | | |  | |  | | |  |  | | | | | | |  | | | |
 | 5:15 | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | 7:07 |
— | — | — | — | — | 1 | 5 | 4 | 1 | — | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 26 | 25 | 23 | 23 | 22 | 22 | 26 | 26 | 24 | 24 | 22 | 20 | 19 |
21 | 21 | 21 | 22 | 22 | 24 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 26 | 25 | 25 | 25 | 22 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | E 10 | SE 6 | SE 6 | SE 6 | E 9 | SE 7 | SE 7 | SE 7 | ESE 10 | SE 7 | SE 7 | SE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | S 6 | ESE 9 |
 kJ | 120 | 117 | 51 | 79 | 79 | 176 | 147 | 131 | 128 | 240 | 210 | 209 | 105 | 142 | 296 | 290 | 179 | 132 | 129 | 129 | 128 | 86 | 67 | 100 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 6 | E 10 | E 10 | ESE 9 | SSE 7 | ESE 9 | ESE 9 | ESE 10 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | S 7 | — | — | — | ESE 9 | ESE 9 | ESE 10 | S 6 |
| kJ | 24 | 40 | 120 | 117 | 118 | 83 | 141 | 147 | 166 | 131 | 163 | 132 | 166 | 166 | 59 | 55 | 92 | — | — | — | 100 | 100 | 103 | 39 |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | ESE 11 | ESE 10 | — | — | — | — | E 9 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 27 | 44 | 58 | — | — | — | — | 58 | 50 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 6 | SE 6 | E 8 | — | SE 7 | — | — | — | SSE 7 | S 6 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 6 | — |
| kJ | — | 61 | 80 | 88 | — | 114 | — | — | — | 251 | 68 | 33 | 71 | 163 | 171 | 148 | 144 | 126 | 145 | 150 | 268 | 152 | 104 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 65 | 330 | 312 | 284 | 49 | 49 | 0 | 19 | 18 | 19 | 297 | 284 | 0 | 0 | 0 | 0 | 0 | 359 | 118 | 0 | 0 | 3 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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