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Ada surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Ada surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ada sea temperature is
23.5° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Ada today?
The current surf forecast for Ada at 2PM is: 1.8m 8s primary swell from a East direction (forecast issued at 08:00am May 18). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 8s |
| Afternoon (18 May) | 6ft (1.8m) | 8s |
| Evening (18 May) | 6ft (1.9m) | 8s |
Table - waves today at Ada. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 25°C on Tue morning, min 22°C on Mon morning). Winds decreasing (fresh winds from the ENE on Mon afternoon, calm by Tue afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
448 | 499 | 450 | 448 | 499 | 501 | 501 | 459 | 450 | 354 | 354 | 313 | 324 | 331 | 290 | 300 | 252 | 217 | 222 | 230 | 197 | 197 | 197 | 197 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | cross-on | on | on | glassy | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | |
High Tide | 6:55AM2.01m | 8:20PM1.83m | 7:34AM1.98m | 9:07PM1.77m | 8:16AM1.91m | 9:58PM1.68m | ||||||||||||||||||
Low Tide | 1:42PM-0.12m | 1:49AM0.79m | 2:26PM-0.07m | 2:33AM0.86m | 3:13PM0.03m | |||||||||||||||||||
 | |  | | |  | |  |  | |  | | |  | | | | | | | | | | | |
 | 5:37 | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | 7:08 |
— | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 |
19 | 19 | 19 | 18 | 19 | 20 | 23 | 23 | 24 | 26 | 28 | 29 | 29 | 27 | 27 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 25 | 23 | |
Swell 1 Height (m) Direction Period (s) | SE 12 | — | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 6 | — | — | — | — | — | — | 459 | 450 | 354 | 354 | 313 | 324 | 331 | 290 | 300 | 252 | 217 | 222 | 230 | 197 | 197 | 197 | 197 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 11 | SE 11 | SE 11 | — | — | — | — | — | — | W 4 | W 4 | W 4 | W 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | — | — | — | — | — | — | 2 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 5 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | WSW 2 | W 3 | W 4 | WSW 4 | W 4 | — | — | — | S 3 |
| kJ | 448 | 499 | 450 | 448 | 499 | 501 | 501 | — | — | — | — | — | — | — | — | 1 | 5 | 7 | 4 | 4 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 69 | 69 | 69 | 69 | 43 | 43 | 43 | 43 | 43 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 48 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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