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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Monday 23 Mar 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
21.3° C
(Which is 1.1°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 7AM is: 0.4m 13s primary swell from a East-northeast direction and 0.4m 7s secondary swell from a East-northeast direction (forecast issued at 02:00am March 23). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | 1.5ft (0.4m) | 13s |
| Afternoon (23 Mar) | 1.5ft (0.4m) | 12s |
| Evening (23 Mar) | 1.5ft (0.4m) | 12s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 6 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 4 | 5 | 6 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 68 | 67 | 66 | 65 | 64 | 60 | 38 | 37 | 37 | 37 | 12 | 37 | 28 | 27 | 13 | 13 | 13 | 13 | 41 | 85 | 62 | 55 | 53 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross | on | on | on | on | on |
High Tide / height (m) | 9:36PM 1.66 | 9:15AM 1.73 | 10:26PM 1.50 | 9:51AM 1.65 | 11:32PM 1.34 | 10:34AM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 3:21AM 0.54 | 3:56PM 0.07 | 3:57AM 0.71 | 4:49PM 0.17 | 4:41AM 0.88 | 6:00PM 0.29 | ||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - |
 | |  |  |  | | | | |  | | |  | |  |  | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | - | 1 | 1 | - | - | - | - | - | 4 | - | - | - | - |
| Temp. °C | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 |
| Feels °C (?) | 21 | 20 | 22 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 17 | 15 | 15 | 15 |
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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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