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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 25 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yona Bay sea temperature is
24.2° C
(Which is normal for this time of year)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 1AM is: 0.7m 7s primary swell from a North direction and 0.4m 8s secondary swell from a Northeast direction (forecast issued at 08:00pm April 25). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 2.5ft (0.7m) | 9s |
| Afternoon (26 Apr) | 3ft (0.9m) | 10s |
| Evening (26 Apr) | 2.5ft (0.8m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun morning. Warm (max 22°C on Tue morning, min 18°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
N 8 | N 8 | N 7 | N 7 | ENE 9 | NE 9 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | |
97 | 72 | 54 | 51 | 58 | 90 | 94 | 142 | 125 | 125 | 125 | 125 | 125 | 125 | 122 | 83 | 78 | 76 | 75 | 71 | 45 | 43 | 41 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | glassy | cross | cross-on | cross-on | glassy | cross-on | on | on | on | on | on | on | on | on | glassy | cross | off | glassy | cross-off | glassy | off | off | |
High Tide | 3:46AM1.47m | 3:24PM1.41m | 4:29AM1.56m | 4:34PM1.51m | 5:04AM1.63m | |||||||||||||||||||
Low Tide | 8:43PM0.48m | 9:42AM0.84m | 9:53PM0.49m | 10:36AM0.65m | 10:46PM0.49m | 11:18AM0.48m | ||||||||||||||||||
 |  | | |  | | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | 6:57 |
— | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 22 | 22 |
19 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 19 | 19 | 18 | 19 | 18 | 19 | 21 | 19 | 19 | 19 | 19 | 20 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | N 7 | N 7 | ENE 9 | NE 9 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
 kJ | 97 | 72 | 54 | 51 | 58 | 90 | 94 | 142 | 125 | 125 | 125 | 125 | 125 | 125 | 122 | 83 | 78 | 76 | 75 | 71 | 45 | 43 | 41 | 28 |
Swell 2 Height (m) Direction Period (s) | S 6 | NE 9 | NE 8 | NE 8 | N 7 | N 7 | N 6 | NNW 6 | NNW 6 | — | NNW 5 | NNW 5 | ESE 13 | SE 12 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 6 | 12 | 25 | 35 | 34 | 23 | 22 | 13 | 12 | — | 8 | 8 | 16 | 22 | 9 | 9 | 9 | 9 | 5 | 5 | 9 | 10 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | WNW 5 | S 5 | S 5 | S 5 | S 5 | S 5 | SE 11 | SE 11 | SE 13 | SE 10 | SE 10 | SE 6 | SSE 5 | ESE 12 | ESE 12 | ESE 12 | SSE 9 | SE 8 | SE 8 | NNW 5 | N 5 | N 5 | N 4 |
| kJ | 18 | 5 | 5 | 2 | 2 | 2 | 2 | 5 | 5 | 7 | 4 | 4 | 1 | 3 | 14 | 14 | 14 | 7 | 11 | 10 | 4 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NW 5 | — | — | — | — | — | — | — | — | NNW 6 | — | — | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | — | — | — | — | — | — | — | 12 | — | — | 9 | 9 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 12 | 12 | 12 | 0 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 80 | 0 | 0 | 12 | 12 | 628 | 645 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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