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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
16 Day Weather and Surf, issued 2 pm Tuesday 24 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
21.7° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Yona Bay this week:
The surf forecast for Yona Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 29) at 3AM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Yona Bay in the next 16 days are 1.7m 10s and forecast to arrive on Saturday (Mar 28) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Tuesday (Mar 31) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 29th Mar) | 3ft (0.9m) 10s |
| Best Surf | 6AM (Sun 29th Mar) | 3ft (0.9m) 10s |
| Most Powerful | 3PM (Sat 28th Mar) | 5.5ft (1.7m) 10s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 11mm), heaviest on Wed morning. Warm (max 23°C on Tue afternoon, min 18°C on Wed afternoon). Winds decreasing (fresh winds from the NW on Wed afternoon, light winds from the N by Fri morning). | Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Sun afternoon. Warm (max 22°C on Mon morning, min 19°C on Fri afternoon). Mainly fresh winds. | ||||||||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 5 | 6 | 7 | 8 | 8 | 8 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 27 | 13 | 106 | 122 | 144 | 318 | 266 | 153 | 176 | 157 | 192 | 385 | 554 | 184 | 225 | 118 | 212 | 174 | 58 | 57 | 175 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | off | off | cross- off | cross- on | cross | cross | on | ||
High Tide / height (m) | 11:32PM 1.34 | 10:34AM 1.54 | 1:16AM 1.23 | 11:39AM 1.40 | 3:30AM 1.26 | 1:42PM 1.32 | 4:39AM 1.38 | 3:37PM 1.39 | 5:19AM 1.48 | 4:48PM 1.51 | 5:50AM 1.58 | 5:39PM 1.63 | 6:17AM 1.65 | ||||||||||
Low Tide / height (m) | 4:49PM 0.17 | 4:41AM 0.88 | 6:00PM 0.29 | 5:54AM 1.02 | 7:38PM 0.37 | 8:23AM 1.05 | 9:20PM 0.36 | 10:09AM 0.91 | 10:31PM 0.29 | 11:03AM 0.73 | 11:21PM 0.24 | 11:43AM 0.54 | 12:01AM 0.23 | ||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||
| Sunrise | - | - | 6:26 | - | - | 6:24 | - | - | 6:24 | - | - | 6:22 | - | - | 6:22 | - | - | 6:20 | - | - | 6:20 | ||
| Sunset | 6:39 | - | - | 6:39 | - | - | 6:40 | - | - | 6:40 | - | - | 6:42 | - | - | 6:42 | - | - | 6:43 | - | - | ||
 |  | |  |  |  |  | | | | | | | | |  |  | | | | | |||
Rain (mm) | 1 | 2 | 8 | - | - | - | - | - | - | - | - | 1 | - | - | - | 4 | 4 | 1 | - | 5 | - | ||
| Temp. °C | 23 | 21 | 21 | 19 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 20 | ||
| Feels °C (?) | 23 | 21 | 19 | 14 | 13 | 15 | 15 | 16 | 17 | 18 | 17 | 15 | 17 | 18 | 17 | 16 | 20 | 22 | 23 | 21 | 19 | ||
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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
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 16 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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