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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
12 Day Weather and Surf, issued 8 pm Thursday 26 Feb 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
21.7° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Yona Bay this week:
The surf forecast for Yona Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Feb 27) at 3AM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Yona Bay in the next 12 days are 2.5m 11s and forecast to arrive on Tuesday (Mar 03) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 10s period and expected on Friday (Feb 27) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 27th Feb) | 2.5ft (0.8m) 8s |
| Best Surf | 9PM (Sat 28th Feb) | 4ft (1.2m) 8s |
| Most Powerful | 3PM (Tue 3rd Mar) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Yona Bay over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 28mm), heaviest during Fri morning. Warm (max 20°C on Fri afternoon, min 18°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the N by Fri night). | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Mon morning. Warm (max 21°C on Mon morning, min 17°C on Mon night). Winds increasing (light winds from the SE on Sun night, strong winds from the NNW by Tue morning). | |||||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thu 05 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 12 | 11 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 8 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 136 | 62 | 83 | 154 | 204 | 368 | 188 | 283 | 101 | 318 | 124 | 55 | 98 | 682 | 1689 | 904 | 563 | 590 | 692 | 940 | 1021 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | cross- off | cross- on | cross- on | cross- on | cross- off | cross- off | off | off | cross- off | cross | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | |
High Tide / height (m) | 5:07AM 1.30 | 3:34PM 1.40 | 5:52AM 1.42 | 4:50PM 1.52 | 6:25AM 1.53 | 5:45PM 1.64 | 6:54AM 1.61 | 6:29PM 1.73 | 7:20AM 1.67 | 7:09PM 1.78 | 7:45AM 1.71 | 7:46PM 1.78 | 8:10AM 1.73 | |||||||||
Low Tide / height (m) | 9:37PM 0.28 | 10:08AM 0.98 | 10:51PM 0.17 | 11:15AM 0.83 | 11:43PM 0.07 | 12:00PM 0.67 | 12:25AM 0.01 | 12:38PM 0.51 | 1:01AM 0.00 | 1:12PM 0.37 | 1:33AM 0.04 | 1:44PM 0.26 | 2:01AM 0.11 | 2:15PM 0.20 | ||||||||
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thu 05 | ||||||||||||||||
| Sunrise | - | 6:52 | - | - | 6:52 | - | - | 6:52 | - | - | 6:50 | - | - | 6:50 | - | - | 6:48 | - | - | 6:48 | - | |
| Sunset | - | - | 6:25 | - | - | 6:27 | - | - | 6:27 | - | - | 6:28 | - | - | 6:28 | - | - | 6:29 | - | - | 6:30 | |
 |  | | |  |  |  |  | | |  | |  | | | | | | |  | | ||
Rain (mm) | - | 11 | 16 | - | - | - | 1 | - | - | - | 2 | 1 | - | - | 1 | - | - | - | - | 1 | 2 | |
| Temp. °C | 19 | 19 | 20 | 19 | 18 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | |
| Feels °C (?) | 19 | 18 | 20 | 16 | 14 | 17 | 18 | 16 | 17 | 17 | 20 | 19 | 15 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | |
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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.
Information about the Yona Bay Surf forecast
The above surf forecast table for Yona Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Yona Bay can be found by selecting the local surf guide option on the grey menu. Our Yona Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Yona Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Yona Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Yona Bay is 24 km (15 miles) from the city of Okinawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Okinawa. Okinawa has rooms for a wide range of budgets as well as car hire and transport links.
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