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Ada surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 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 6AM is: 1.8m 8s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am 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 (1.9m) | 8s |
| Evening (18 May) | 6.5ft (2.0m) | 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 5mm), mostly falling on Tue afternoon. Warm (max 25°C on Tue morning, min 22°C on Mon morning). Winds decreasing (fresh winds from the E on Mon morning, light winds from the SSW by Tue morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | |
428 | 438 | 448 | 499 | 499 | 499 | 499 | 553 | 797 | 511 | 459 | 409 | 429 | 381 | 395 | 347 | 297 | 252 | 222 | 222 | 211 | 230 | 193 | 197 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 6:55AM2.01m | 8:20PM1.83m | 7:34AM1.98m | 9:07PM1.77m | 8:16AM1.91m | |||||||||||||||||||
Low Tide | 1:09AM0.73m | 1:42PM-0.12m | 1:49AM0.79m | 2:26PM-0.07m | 2:33AM0.86m | 3:13PM0.03m | ||||||||||||||||||
 | |  |  | |  | |  |  | |  | | | | | | | | | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — |
— | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 |
19 | 19 | 19 | 18 | 19 | 19 | 20 | 20 | 22 | 24 | 26 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 12 | SE 12 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 15 | 15 | 6 | — | — | — | — | — | 553 | 511 | 459 | 409 | 429 | 381 | 395 | 347 | 297 | 252 | 222 | 222 | 211 | 230 | 193 | 197 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | ENE 9 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 137 | 7 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 54 | — | — | — | — |
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 | — | — | — | — | — | — | — | WSW 3 | W 4 | W 4 | W 4 | W 4 | WSW 4 | WSW 4 | WSW 4 |
| kJ | 428 | 438 | 448 | 499 | 499 | 499 | 499 | 553 | 797 | — | — | — | — | — | — | — | 1 | 6 | 8 | 8 | 8 | 5 | 5 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 69 | 69 | 71 | 71 | 69 | 43 | 72 | 72 | 43 | 43 | 34 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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