- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 01 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
22.2° C
(Which is slightly cooler than normal)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 5PM is: 1.1m 7s primary swell from a Northwest direction (forecast issued at 08:00am April 01). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 1ft (0.3m) | 10s |
| Afternoon (01 Apr) | 1.5ft (0.5m) | 8s |
| Evening (01 Apr) | 4.5ft (1.4m) | 7s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 8 | 6 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 23 | 21 | 21 | 33 | 122 | 183 | 264 | 257 | 240 | 220 | 167 | 125 | 113 | 89 | 68 | 50 | 49 | 60 | 18 | 21 | 21 | 13 | 13 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:42AM 1.71 | 6:57PM 1.75 | 7:05AM 1.75 | 7:31PM 1.74 | 7:27AM 1.78 | 8:03PM 1.70 | ||||||||||||||||||
Low Tide / height (m) | 12:49PM 0.25 | 1:03AM 0.29 | 1:19PM 0.16 | 1:29AM 0.36 | 1:48PM 0.11 | 1:54AM 0.44 | ||||||||||||||||||
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| Sunrise | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:44 | - | - | - |
 |  |  |  |  |  | | | |  | | | |  | | | | | | |  | | | | |
Rain (mm) | - | - | 1 | 12 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 24 | 23 | 20 | 19 | 18 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 21 | 21 |
| Feels °C (?) | 20 | 21 | 20 | 18 | 15 | 13 | 12 | 14 | 13 | 14 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 17 |
- Map Icons:
Break
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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Yona Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest