Surf Forecasts:
Yona Bay surf forecast from 5 Oct 2026:
- Best quality surf: Sunday 11 Oct, 9PM (local time) - 5ft (1.5m), 13s period, E swell with cross-offshore winds.
- Most powerful swell: Tuesday 6 Oct, 9PM (local time) - 7ft (2.2m), 16s period, E swell with 2,314 kJ wave energy.
- Next surfable swell (1★+): Saturday 10 Oct, 3AM (local time) - 2ft (0.6m), 16s period with E swell.
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 Saturday (Oct 10) at 3AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.7m and 6s. Another secondary swell of 0.7m and 11s is also forecast. 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 2.2m 16s and forecast to arrive on Tuesday (Oct 06) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 13s period and expected on Tuesday (Oct 06) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sat 10th Oct) | 2ft (0.6m) 16s |
| Best Surf | 9PM (Sun 11th Oct) | 5ft (1.5m) 13s |
| Most Powerful | 9PM (Tue 6th Oct) | 7ft (2.2m) 16s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 27°C on Mon morning, min 24°C on Tue morning). Mainly strong winds. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Warm (max 26°C on Thu afternoon, min 25°C on Thu morning). Winds decreasing (fresh winds from the ENE on Thu night, calm by Sat night). | ||||||||||||||||||||
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | ENE 10 | N 7 | E 14 | E 15 | E 16 | E 15 | E 15 | ENE 14 | ENE 13 | ENE 13 | E 8 | ENE 12 | ENE 11 | ENE 10 | E 15 | E 9 | E 9 | E 9 | E 13 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 125 | 163 | 271 | 1045 | 2055 | 2285 | 1902 | 1469 | 953 | 632 | 1060 | 292 | 559 | 422 | 192 | 165 | 306 | 292 | 210 | 673 | 694 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-on | cross | glassy | cross | cross-off |
High Tide | 4:01PM1.56m | 2:55AM1.56m | 4:48PM1.66m | 4:19AM1.68m | 5:23PM1.76m | 5:16AM1.80m | 5:52PM1.84m | 6:02AM1.90m | 6:19PM1.91m | 6:42AM1.95m | 6:45PM1.95m | 7:18AM1.95m | 7:10PM1.98m | ||||||||
Low Tide | 9:29PM1.15m | 9:55AM0.55m | 10:35PM0.96m | 10:52AM0.50m | 11:19PM0.75m | 11:36AM0.47m | 11:56PM0.57m | 12:13PM0.48m | 00:30AM0.41m | 12:45PM0.52m | 1:02AM0.30m | 1:14PM0.58m | 1:34AM0.24m | ||||||||
 |  |  |  | | | | | | |  |  | | |  | | |  |  | | | |
 | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:07 | — | — | 6:06 | — | — | 6:04 | — | — | 6:02 | — |
mm | — | 2 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 4 | 3 | 3 | 3 |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 28 | 25 | 22 | 21 | 20 | 19 | 20 | 20 | 20 | 23 | 23 | 23 | 25 | 25 | 26 | 27 | 26 | 28 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 12 | ENE 10 | E 14 | E 15 | E 16 | E 15 | E 15 | ENE 14 | ENE 13 | N 7 | ENE 12 | N 6 | ENE 17 | ENE 10 | ENE 9 | E 9 | E 9 | E 9 | E 13 | E 12 |
| kJ | 136 | 237 | 255 | 1045 | 2055 | 2285 | 1902 | 1469 | 953 | 632 | 56 | 274 | 16 | 97 | 192 | 100 | 306 | 292 | 210 | 673 | 694 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 13 | ENE 10 | — | — | — | NW 8 | — | — | S 8 | N 6 | ENE 18 | N 6 | ESE 6 | ESE 6 | E 16 | E 14 | E 13 | ESE 10 | NNW 4 |
| kJ | 125 | 163 | 329 | 151 | — | — | — | 31 | — | — | 1 | 26 | 62 | 10 | 34 | 29 | 245 | 206 | 171 | 10 | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | E 16 | E 20 | — | — | — | — | — | — | — | E 21 | E 19 | SE 10 | SE 12 | E 16 | E 15 | N 5 | ESE 10 | ESE 10 | S 7 | ESE 10 |
| kJ | 59 | 20 | 30 | — | — | — | — | — | — | — | 9 | 29 | 4 | 21 | 132 | 165 | 4 | 10 | 10 | 1 | 10 |
Wind waves Height (m) Direction Period (s) | N 7 | NNE 4 | N 7 | NNW 7 | N 8 | N 8 | N 8 | N 8 | N 7 | NNE 6 | ENE 13 | E 8 | ENE 12 | ENE 11 | — | N 5 | — | — | — | — | — |
| kJ | 25 | 19 | 271 | 327 | 430 | 552 | 454 | 368 | 239 | 176 | 1060 | 292 | 559 | 422 | — | 4 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 920 | 597 | 597 | 597 | 597 | 595 | 597 | 33 | 33 | 33 | 63 | 33 | 33 | 60 | 33 | 33 | 12 | 0 | 12 | 0 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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