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Surf Forecasts:
Aja surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Sunday 17 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
24.3° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Aja today?
The current surf forecast for Aja at 11AM is: 1.8m 8s primary swell from a East direction (forecast issued at 08:00am May 17). An open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 6ft (1.8m) | 8s |
| Afternoon (17 May) | 6ft (1.8m) | 8s |
| Evening (17 May) | 6ft (1.8m) | 8s |
Table - waves today at Aja. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 25°C on Tue afternoon, min 21°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun morning, calm by Tue morning). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NNW 3 | NW 3 | W 3 | W 4 | W 4 | W 4 | W 4 | |
450 | 448 | 448 | 439 | 439 | 439 | 443 | 443 | 412 | 454 | 454 | 405 | 405 | 415 | 0 | 0 | 324 | 6 | 5 | 8 | 14 | 14 | 14 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | on | on | on | on | glassy | cross | |
High Tide | 6:42AM2.10m | 8:05PM1.98m | 7:23AM2.13m | 8:55PM1.95m | 8:06AM2.11m | 9:47PM1.88m | ||||||||||||||||||
Low Tide | 1:28PM-0.17m | 1:37AM0.78m | 2:15PM-0.19m | 2:22AM0.86m | 3:03PM-0.13m | |||||||||||||||||||
 | | | | |  |  | | | | |  |  |  | |  | | | | | | | | | |
 | 5:41 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | 7:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 22 |
18 | 19 | 18 | 19 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 20 | 21 | 22 | 23 | 24 | 26 | 26 | 27 | 26 | 26 | 26 | 24 | |
Swell 1 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 13 | SE 13 | ESE 13 | SE 12 | SE 12 | ESE 12 | SE 12 | — | — | — | — | — | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 7 | 7 | 7 | 7 | 17 | 24 | 24 | 15 | 6 | — | — | — | — | — | 375 | 324 | 324 | 290 | 290 | 252 | 222 | 193 | 189 | 168 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 5 | NNE 5 | N 5 | N 5 | N 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | NNW 2 | NNW 3 | NW 3 | W 3 | W 4 | W 4 | W 4 | W 4 |
| kJ | 450 | 448 | 448 | 439 | 439 | 439 | 443 | 443 | 412 | 454 | 454 | 405 | 405 | 415 | — | — | 1 | 6 | 5 | 8 | 14 | 14 | 14 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 839 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 15 | 17 | 10 | 10 | 10 | 10 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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