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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Friday 24 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 12AM is: 1.2m 8s primary swell from a North direction (forecast issued at 08:00pm April 24). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 3.5ft (1.1m) | 8s |
| Afternoon (25 Apr) | 3.5ft (1.0m) | 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 ForecastMostly dry. Warm (max 21°C on Fri night, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | |
159 | 176 | 195 | 228 | 187 | 157 | 149 | 124 | 97 | 72 | 70 | 52 | 74 | 96 | 139 | 142 | 175 | 175 | 154 | 125 | 122 | 120 | 117 | 103 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | on | on | on | on | |
High Tide | 2:41AM1.39m | 1:39PM1.35m | 3:46AM1.47m | 3:24PM1.41m | 4:29AM1.56m | |||||||||||||||||||
Low Tide | 7:13PM0.43m | 8:16AM1.00m | 8:43PM0.48m | 9:42AM0.84m | 9:53PM0.49m | 10:36AM0.65m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | |  |  | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | 6:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 20 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
19 | 19 | 19 | 17 | 19 | 18 | 20 | 19 | 21 | 20 | 19 | 20 | 19 | 21 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NNW 8 | SSE 6 | SSE 6 | SW 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 159 | 12 | 10 | 11 | 187 | 157 | 149 | 124 | 97 | 72 | 70 | 52 | 74 | 96 | 139 | 142 | 175 | 175 | 154 | 125 | 122 | 120 | 117 | 103 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SW 7 | SW 7 | SSE 6 | SW 6 | SSW 6 | SSW 6 | S 6 | WNW 5 | NE 9 | NE 8 | NE 8 | N 7 | N 7 | N 7 | — | SE 11 | SE 11 | NNW 5 | NNW 5 | SE 11 | NNW 6 | NNW 6 | ESE 12 |
| kJ | 18 | 12 | 11 | 6 | 11 | 14 | 13 | 7 | 5 | 12 | 25 | 23 | 37 | 34 | 22 | — | 5 | 5 | 14 | 15 | 5 | 17 | 18 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | ENE 10 | ENE 10 | ENE 10 | WNW 6 | ENE 9 | ENE 9 | ENE 10 | S 6 | S 6 | S 5 | NE 10 | S 5 | S 5 | S 5 | SE 10 | — | SE 13 | SE 11 | SE 11 | SE 6 | ESE 12 | ESE 12 | E 15 |
| kJ | 12 | 19 | 18 | 18 | 6 | 17 | 17 | 18 | 6 | 6 | 5 | 24 | 2 | 2 | 2 | 4 | — | 7 | 5 | 5 | 1 | 14 | 14 | 4 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | — | — | — | — | WNW 5 | — | — | — | — | — | NNW 6 | NNW 6 | NNW 5 | — | NW 5 | NNW 5 | — | — | NNW 6 |
| kJ | 85 | 176 | 195 | 228 | 65 | — | — | — | — | 5 | — | — | — | — | — | 22 | 21 | 12 | — | 7 | 17 | — | — | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 681 | 28 | 28 | 28 | 33 | 33 | 14 | 28 | 0 | 0 | 12 | 12 | 12 | 12 | 12 | 28 | 28 | 14 | 12 | 14 | 14 | 12 | 14 | 14 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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