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Surf Forecasts:
Aja surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Wednesday 20 May 2026 JSTForecast update in hr min s Forecast update imminent
Aja surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aja sea temperature is
23.8° C
(Which is 1.9°C colder than average for this time of year)| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 2ft (0.6m) | 5s |
| Evening (21 May) | 2ft (0.6m) | 7s |
Table - waves today at Aja. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 37mm), heaviest during Sat morning. Warm (max 25°C on Thu morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SE 9 | SW 3 | SW 3 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | WSW 5 | WSW 6 | W 7 | W 7 | W 7 | E 11 | W 7 | WSW 6 | WSW 6 | WSW 5 | W 5 | N 8 | NNW 7 | SW 5 | WSW 5 | W 5 | SW 5 | |
0 | 1 | 1 | 0 | 0 | 0 | 0 | 19 | 25 | 32 | 1 | 23 | 2 | 1 | 18 | 20 | 18 | 8 | 1 | 5 | 25 | 38 | 21 | 57 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | glassy | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | |
High Tide | 10:41PM1.79m | 9:44AM1.92m | 11:41PM1.71m | 10:45AM1.78m | 00:46AM1.67m | 12:00PM1.63m | ||||||||||||||||||
Low Tide | 3:54PM-0.01m | 4:03AM1.01m | 4:49PM0.16m | 5:07AM1.05m | 5:48PM0.35m | 6:27AM1.05m | ||||||||||||||||||
 |  | | |  | | | | |  | | |  | | | | |  | | | |  | | | |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — |
 | 7:09 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | 7:12 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | 2 | 2 | 5 | 2 | 2 | 2 | 7 | 5 | 2 | |
Temp °C | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 24 |
27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 25 | 27 | 26 | 27 | 26 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 203 | 184 | 188 | 157 | 142 | 142 | 145 | 145 | 145 | 145 | 117 | 115 | 113 | 110 | 110 | 108 | 108 | 96 | 96 | 75 | 75 | 75 | 75 | 108 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 6 | W 7 | WSW 7 | W 7 | E 11 | WSW 6 | E 10 | E 10 | NW 5 | W 5 | WSW 5 | NNW 7 | SE 5 | SE 5 | W 5 | NNW 8 |
| kJ | — | — | — | — | — | — | — | — | 10 | 32 | 49 | 23 | 2 | 28 | 2 | 2 | 1 | 8 | 7 | 5 | 18 | 15 | 21 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 6 | E 11 | — | W 7 | E 11 | — | W 7 | W 7 | E 10 | E 10 | NW 4 | N 8 | W 6 | NNW 7 | NNW 7 | SE 5 | W 6 |
| kJ | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 2 | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 9 | 9 | 8 | 6 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 3 | SW 4 | WSW 5 | WSW 6 | — | W 7 | WSW 7 | WSW 6 | — | WSW 6 | WSW 6 | WSW 5 | S 3 | SSE 4 | S 4 | SW 5 | WSW 5 | SSW 5 | SW 5 |
| kJ | — | 1 | 1 | 2 | 4 | 7 | 10 | 19 | 25 | — | 26 | 45 | 31 | — | 18 | 20 | 18 | 5 | 15 | 36 | 25 | 38 | 14 | 57 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 10 | 39 | 590 | 84 | 84 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 84 | 590 | 10 | 10 | 10 | 39 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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