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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Thursday 23 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 2AM is: 0.5m 10s primary swell from a East direction and 0.6m 5s secondary swell from a Northwest direction (forecast issued at 08:00pm April 23). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 2.5ft (0.7m) | 8s |
| Afternoon (24 Apr) | 3.5ft (1.0m) | 8s |
| Evening (24 Apr) | 4ft (1.2m) | 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 6mm), mostly falling on Fri morning. Warm (max 22°C on Thu night, min 20°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
W 7 | W 7 | E 10 | E 10 | ENE 10 | NNW 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NE 9 | NE 9 | NE 10 | ENE 10 | |
91 | 56 | 53 | 53 | 35 | 70 | 78 | 114 | 157 | 205 | 239 | 234 | 234 | 195 | 190 | 161 | 127 | 103 | 95 | 84 | 86 | 123 | 131 | 168 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | |
High Tide | 1:04AM1.37m | 11:39AM1.42m | 2:41AM1.39m | 1:39PM1.35m | 3:46AM1.47m | |||||||||||||||||||
Low Tide | 5:46PM0.31m | 6:13AM1.05m | 7:13PM0.43m | 8:16AM1.00m | 8:43PM0.48m | 9:42AM0.84m | ||||||||||||||||||
 |  | |  |  | | | | | |  | | | | | |  | |  | |  | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | 6:55 |
1 | 1 | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 |
23 | 23 | 22 | 21 | 21 | 21 | 19 | 19 | 19 | 19 | 17 | 18 | 17 | 18 | 20 | 20 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | WSW 6 | S 6 | S 6 | NNW 8 | N 8 | S 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSW 6 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NE 9 | NE 9 | NE 10 | ENE 10 |
 kJ | 91 | 56 | 43 | 22 | 15 | 70 | 78 | 32 | 13 | 12 | 6 | 6 | 13 | 195 | 190 | 161 | 127 | 103 | 95 | 72 | 86 | 123 | 131 | 168 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | WSW 6 | ENE 10 | S 6 | S 6 | WNW 6 | SSW 7 | SW 7 | SW 7 | SW 7 | ENE 10 | S 6 | S 6 | S 6 | S 6 | NE 9 | NE 9 | NE 9 | NNW 7 | N 7 | S 5 | — |
| kJ | 29 | 21 | 21 | 23 | 35 | 38 | 16 | 15 | 19 | 12 | 11 | 11 | 18 | 6 | 6 | 12 | 6 | 41 | 67 | 84 | 57 | 37 | 2 | — |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | NNW 9 | W 7 | NW 6 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ESE 12 | ENE 9 | ENE 9 | ENE 10 | NE 9 | S 6 | S 6 | S 5 | S 5 | S 5 | SE 11 | SE 10 |
| kJ | 73 | 52 | 53 | 53 | 25 | 35 | 19 | 33 | 33 | 19 | 18 | 18 | 14 | 17 | 17 | 18 | 13 | 6 | 5 | 2 | 2 | 2 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | SW 6 | — | NW 5 | NW 5 | NW 5 | NNW 5 | — | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | — | — | — | — | NNW 2 | — | — | — | WNW 3 | NNW 7 | NW 7 |
| kJ | 19 | — | 13 | 19 | 27 | 9 | — | 114 | 157 | 205 | 239 | 234 | 234 | — | — | — | — | 1 | — | — | — | 3 | 42 | 44 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 74 | 64 | 74 | 52 | 74 | 28 | 681 | 681 | 681 | 28 | 674 | 33 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 28 | 28 | 74 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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