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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am 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 10AM is: 1.1m 8s primary swell from a North direction (forecast issued at 02:00am April 25). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 3.5ft (1.1m) | 8s |
| Afternoon (25 Apr) | 3ft (0.9m) | 8s |
| Evening (25 Apr) | 2.5ft (0.8m) | 8s |
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 21°C on Sat morning, min 18°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | NE 9 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | |
195 | 195 | 190 | 157 | 124 | 100 | 97 | 74 | 54 | 52 | 70 | 92 | 142 | 145 | 178 | 175 | 175 | 157 | 125 | 125 | 107 | 105 | 78 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | cross-on | on | glassy | cross | cross-off | cross | cross | glassy | cross-on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-off | |
High Tide | 2:41AM1.39m | 1:39PM1.35m | 3:46AM1.47m | 3:24PM1.41m | 4:29AM1.56m | 4:34PM1.51m | ||||||||||||||||||
Low Tide | 8:16AM1.00m | 8:43PM0.48m | 9:42AM0.84m | 9:53PM0.49m | 10:36AM0.65m | |||||||||||||||||||
 | |  | | | |  | | | | | | | |  |  | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — |
— | — | — | — | — | — | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 21 | 21 | 19 | 20 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 |
19 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 18 | 19 | 20 | 19 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | NE 9 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 |
 kJ | 10 | 195 | 190 | 157 | 124 | 100 | 97 | 74 | 54 | 52 | 70 | 92 | 142 | 145 | 178 | 175 | 175 | 157 | 125 | 125 | 107 | 105 | 78 | 76 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 6 | SSW 6 | SSW 6 | S 6 | S 6 | NE 9 | NE 8 | NE 8 | N 7 | N 7 | N 7 | SE 11 | SE 11 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 |
| kJ | 11 | 11 | 11 | 14 | 13 | 12 | 6 | 12 | 25 | 35 | 35 | 24 | 22 | 5 | 5 | 12 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | SSE 6 | SSE 5 | ENE 9 | ENE 9 | WNW 5 | WNW 5 | S 6 | S 5 | S 5 | S 5 | S 5 | S 5 | — | SE 13 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 12 | ESE 12 | ESE 12 | SE 12 | SSE 9 |
| kJ | 18 | 6 | 6 | 17 | 17 | 4 | 5 | 6 | 5 | 2 | 2 | 2 | 2 | — | 7 | 5 | 5 | 5 | 4 | 14 | 14 | 14 | 23 | 7 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | — | — | — | — | — | — | — | — | — | — | — | NNW 6 | NNW 6 | — | — | — | — | — | — | — | — | — |
| kJ | 195 | 66 | — | — | — | — | — | — | — | — | — | — | — | 14 | 12 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 14 | 14 | 28 | 14 | 14 | 0 | 12 | 0 | 12 | 12 | 0 | 12 | 12 | 14 | 14 | 14 | 12 | 14 | 28 | 14 | 14 | 44 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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