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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 07 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 4AM is: 0.2m 6s primary swell from a North-northwest direction (forecast issued at 08:00pm December 07). An open ocean swell of 1.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 0.5ft (0.2m) | 6s |
| Afternoon (08 Dec) | 2ft (0.6m) | 3s |
| Evening (08 Dec) | 2.5ft (0.8m) | 4s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 6 | 6 | 6 | 9 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 9 | 9 | 7 | 7 | 6 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 194 | 194 | 190 | 4 | 4 | 3 | 194 | 11 | 11 | 16 | 16 | 17 | 25 | 117 | 176 | 200 | 212 | 229 | 264 | 194 | 77 | 60 | 54 | 165 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 8:04PM 1.86 | 9:45AM 1.66 | 8:49PM 1.78 | 10:32AM 1.60 | 9:39PM 1.66 | 11:22AM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 3:01AM -0.08 | 3:10PM 0.83 | 3:47AM 0.03 | 4:02PM 0.84 | 4:34AM 0.18 | |||||||||||||||||||
Sun 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:34 |
 |  | | | |  |  | |  | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 18 | 17 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 |
- 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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