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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 05 May 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
23.5° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 10AM is: 0.6m 9s primary swell from a East direction and 0.8m 7s secondary swell from a North-northwest direction (forecast issued at 02:00am May 05). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 2.5ft (0.8m) | 7s |
| Afternoon (05 May) | 2ft (0.6m) | 10s |
| Evening (05 May) | 1.5ft (0.4m) | 6s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 60mm), heaviest during Tue night. Warm (max 23°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 7 | N 7 | NNW 7 | NNW 7 | E 9 | E 10 | NNW 6 | NW 6 | NNW 6 | NNW 6 | E 7 | NE 4 | NNW 6 | N 6 | N 6 | E 9 | E 9 | E 9 | N 6 | NNE 7 | NNE 7 | E 9 | NE 7 | N 5 | |
113 | 106 | 84 | 64 | 64 | 65 | 31 | 10 | 12 | 8 | 69 | 8 | 7 | 12 | 7 | 190 | 190 | 190 | 3 | 5 | 4 | 194 | 8 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | cross | cross | glassy | cross-off | cross-off | cross-off | glassy | glassy | |
High Tide | 7:59AM1.76m | 9:29PM1.51m | 8:27AM1.71m | 10:10PM1.46m | 8:59AM1.62m | |||||||||||||||||||
Low Tide | 2:12AM0.84m | 2:52PM0.19m | 2:41AM0.91m | 3:27PM0.25m | 3:16AM0.98m | 4:07PM0.35m | ||||||||||||||||||
 |  |  | | | | | |  | | |  | |  |  |  | | | | | | |  | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — |
6 | 3 | 2 | 1 | 1 | 4 | 5 | 9 | 11 | 5 | 3 | 6 | 9 | 6 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 17 | 16 | 16 | 17 | 17 | 18 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 22 |
13 | 14 | 13 | 15 | 13 | 13 | 16 | 15 | 17 | 20 | 22 | 23 | 21 | 23 | 22 | 22 | 23 | 23 | 24 | 23 | 24 | 25 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 7 | ESE 7 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 |
 kJ | 113 | 106 | 84 | 63 | 47 | 34 | 74 | 98 | 98 | 98 | 96 | 50 | 45 | 177 | 162 | 190 | 190 | 190 | 162 | 162 | 162 | 194 | 173 | 169 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | NNW 6 | NW 6 | NNW 6 | ESE 6 | NNW 6 | ESE 9 | ESE 9 | N 6 | N 6 | NNW 6 | NNW 6 | N 6 | N 6 | NNE 7 | NNE 7 | NNE 6 | NE 7 | N 5 |
| kJ | 64 | 64 | 64 | 64 | 64 | 65 | 31 | 10 | 12 | 15 | 8 | 92 | 88 | 12 | 7 | 8 | 4 | 3 | 3 | 5 | 4 | 4 | 8 | 2 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | NNW 6 | N 6 | — | NNW 6 | N 6 | NNW 6 | NNW 6 | NE 6 | — | N 8 | N 8 | N 8 | NE 7 | N 6 | N 6 | N 6 | N 5 | NE 6 |
| kJ | 8 | 3 | 3 | 1 | 1 | 1 | 4 | 7 | — | 8 | 2 | 7 | 7 | 1 | — | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | NE 4 | ENE 4 | ENE 4 | E 7 | NE 4 | NNE 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 8 | 7 | 17 | 22 | 18 | 20 | 17 | 21 | 13 | 69 | 8 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 0 | 60 | 60 | 595 | 595 | 595 | 595 | 595 | 65 | 0 | 681 | 54 | 65 | 74 | 595 | 35 | 595 | 14 | 35 | 856 | 0 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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