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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Wednesday 10 Dec 2025 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
24.5° C
(Which is slightly warmer than usual)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 11PM is: 1.1m 8s primary swell from a East direction and 0.5m 6s secondary swell from a North direction, 0.1m 7s secondary swell from a Northeast direction (forecast issued at 08:00pm December 10). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | - | - |
| Evening (10 Dec) | 3.5ft (1.1m) | 8s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 8 | 6 | 6 | 6 | 9 | 9 | 4 | 4 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 29 | 173 | 173 | 19 | 12 | 11 | 61 | 60 | 11 | 15 | 233 | 305 | 284 | 312 | 400 | 527 | 317 | 343 | 348 | 319 | 290 | 151 | 334 | 101 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | off | cross- off | cross- off | cross- on | on |
High Tide / height (m) | 10:36PM 1.52 | 12:15PM 1.51 | 11:45PM 1.38 | 1:11PM 1.49 | 1:12AM 1.27 | 2:06PM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 5:02PM 0.84 | 5:26AM 0.34 | 6:12PM 0.82 | 6:22AM 0.50 | 7:30PM 0.77 | 7:23AM 0.64 | ||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 |
 |  |  | |  |  | | | |  | | | |  | | | | | | | | | |  | |
Rain (mm) | 1 | - | - | 1 | 2 | 1 | 1 | 2 | 3 | - | - | - | - | - | 1 | - | - | 1 | 3 | 4 | 1 | 1 | 1 | - |
| Temp. °C | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 22 | 21 | 22 | 22 | 22 | 23 | 22 |
| Feels °C (?) | 19 | 19 | 20 | 20 | 21 | 20 | 22 | 21 | 17 | 15 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 18 | 19 | 23 | 23 | 21 | 22 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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