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Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Thursday 04 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
25.3° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 6AM is: 3.0m 10s primary swell from a North direction and 0.3m 13s secondary swell from a Northeast direction (forecast issued at 02:00am December 04). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 8ft (2.5m) | 10s |
| Afternoon (04 Dec) | 6ft (1.9m) | 9s |
| Evening (04 Dec) | 4.5ft (1.4m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 7 | 6 | 6 | 7 | 7 | 9 | 9 | 8 | 8 | 7 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1345 | 1500 | 1537 | 1232 | 922 | 611 | 397 | 281 | 221 | 171 | 141 | 85 | 83 | 152 | 141 | 112 | 57 | 54 | 101 | 129 | 117 | 90 | 68 | 235 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 6:42AM 1.73 | 5:59PM 1.87 | 7:29AM 1.75 | 6:39PM 1.91 | 8:14AM 1.74 | 7:21PM 1.91 | ||||||||||||||||||
Low Tide / height (m) | 12:04AM -0.00 | 12:14PM 0.74 | 12:48AM -0.11 | 12:57PM 0.76 | 1:32AM -0.16 | 1:40PM 0.79 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:34 | - | - |
 |  |  |  |  | | | | | | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 |
| Feels °C (?) | 10 | 9 | 9 | 10 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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