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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Thursday 16 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
24.3° C
(Which is slightly warmer than usual)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 12AM is: 0.8m 7s primary swell from a North direction (forecast issued at 08:00pm April 16). An open ocean swell of 1.8m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 3.5ft (1.0m) | 7s |
| Afternoon (17 Apr) | 2ft (0.6m) | 8s |
| Evening (17 Apr) | 2.5ft (0.8m) | 7s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 43 | 46 | 61 | 49 | 71 | 107 | 88 | 44 | 73 | 62 | 85 | 196 | 235 | 247 | 293 | 314 | 392 | 339 | 279 | 414 | 100 | 265 | 256 | 256 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | off | off | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | cross- on | on | on | on | on | cross- on | glass | cross- off | cross- off |
High Tide / height (m) | 6:40PM 1.81 | 6:39AM 1.82 | 7:21PM 1.86 | 7:09AM 1.87 | 8:02PM 1.85 | 7:40AM 1.89 | ||||||||||||||||||
Low Tide / height (m) | 12:41AM 0.36 | 12:59PM 0.05 | 1:16AM 0.42 | 1:36PM -0.05 | 1:50AM 0.50 | 2:15PM -0.09 | ||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - |
| Sunset | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - |
 |  | | |  |  |  | | |  | | | |  | |  | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | - | - | - | 1 | 1 | 2 | 1 |
| Temp. °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 22 |
| Feels °C (?) | 22 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 22 | 21 | 21 | 22 | 22 | 22 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 23 | 20 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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