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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
16 Day Weather and Surf, issued 8 pm Monday 11 May 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
23.6° C
(Which is 1.4°C colder than average for this time of year)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 Wednesday (May 13) at 3AM. The primary swell is predicted to be 1.1m and 10s period. 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 1.8m 8s and forecast to arrive on Saturday (May 16) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Tuesday (May 12) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 13th May) | 3.5ft (1.1m) 10s |
| Best Surf | 3AM (Mon 18th May) | 5.5ft (1.7m) 9s |
| Most Powerful | 3PM (Sat 16th May) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue morning. Warm (max 24°C on Tue morning, min 22°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Fri night. Warm (max 23°C on Thu night, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
E 9 | W 5 | ESE 9 | ESE 9 | E 10 | E 10 | E 9 | E 10 | ENE 9 | E 10 | E 9 | E 10 | E 7 | E 8 | E 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 10 | |
275 | 1 | 0 | 0 | 116 | 219 | 76 | 117 | 28 | 48 | 251 | 415 | 310 | 319 | 454 | 203 | 180 | 222 | 381 | 245 | 318 | |
Wind (km/h) | |||||||||||||||||||||
off | off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | glassy | glassy | |
High Tide | 3:37AM1.54m | 3:51PM1.46m | 4:17AM1.63m | 4:52PM1.59m | 4:53AM1.73m | 5:42PM1.72m | 5:28AM1.82m | 6:29PM1.80m | 6:03AM1.90m | 7:14PM1.85m | 6:38AM1.95m | 7:58PM1.85m | 7:15AM1.97m | ||||||||
Low Tide | 9:52AM0.73m | 9:57PM0.62m | 10:38AM0.52m | 10:47PM0.62m | 11:20AM0.32m | 11:32PM0.63m | 12:00PM0.14m | 00:13AM0.65m | 12:40PM0.00m | 00:52AM0.70m | 1:22PM-0.08m | 1:32AM0.75m | 2:04PM-0.10m | ||||||||
 |  |  |  |  | | |  | | | |  |  | | | | | |  | | | |
 | — | 5:41 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:37 | — |
 | 7:04 | — | 7:05 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 |
4 | 8 | 4 | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 3 | — | — | — | — | — | |
Temp °C | 22 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 |
23 | 26 | 25 | 26 | 24 | 24 | 25 | 23 | 23 | 23 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 22 | 23 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 9 | SE 9 | — | ESE 9 | E 10 | E 10 | ESE 10 | E 10 | ESE 9 | ESE 9 | E 10 | S 6 | SE 11 | SSE 10 | SE 11 | ESE 8 | ESE 9 | ESE 9 | ESE 12 | E 9 | E 10 |
 kJ | 275 | 3 | — | 265 | 116 | 219 | 98 | 117 | 92 | 66 | 46 | 3 | 5 | 10 | 40 | 255 | 227 | 186 | 15 | 245 | 318 |
Swell 2 Height (m) Direction Period (s) | N 5 | S 11 | S 11 | SE 8 | ESE 10 | SSE 8 | E 9 | ENE 9 | ENE 9 | E 10 | S 6 | SE 11 | E 15 | SE 8 | E 15 | — | SE 13 | — | — | N 5 | N 5 |
| kJ | 1 | 2 | 2 | 3 | 100 | 11 | 76 | 16 | 28 | 48 | 3 | 5 | 5 | 3 | 4 | — | 7 | — | — | 5 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 11 | W 5 | — | — | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 12 | E 16 | — | SE 15 | SE 14 | — | — | — | — | ESE 12 | SE 12 |
| kJ | 5 | 1 | — | — | 6 | 11 | 11 | 5 | 5 | 4 | 6 | 5 | — | 8 | 8 | — | — | — | — | 14 | 6 |
Wind waves Height (m) Direction Period (s) | — | ESE 8 | ESE 9 | — | NE 3 | — | — | E 3 | E 4 | E 4 | E 9 | E 10 | E 7 | E 8 | E 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | — | — |
| kJ | — | 341 | 304 | — | 3 | — | — | 6 | 19 | 19 | 251 | 415 | 310 | 319 | 454 | 203 | 180 | 222 | 381 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 595 | 28 | 595 | 595 | 65 | 0 | 60 | 664 | 595 | 65 | 1386 | 60 | 65 | 33 | 681 | 33 | 33 | 0 | 0 | 0 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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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