Surf Forecasts:
Yona Bay surf forecast from 7 Jul 2026:
- Best quality surf: Sunday 12 Jul, 9PM (local time) - 3.5ft (1.1m), 7s period, E swell with offshore winds.
- Most powerful swell: Sunday 12 Jul, 9PM (local time) - 3.5ft (1.1m), 7s period, E swell with 127 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 9PM (local time) - 3.5ft (1.1m), 7s 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 Sunday (Jul 12) at 9PM. The primary swell is predicted to be 1.1m and 7s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Yona Bay in the next 16 days are 1.1m 7s and forecast to arrive on Sunday (Jul 12) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 9.0m 18s period and expected on Friday (Jul 10) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 12th Jul) | 3.5ft (1.1m) 7s |
| Best Surf | 9PM (Sun 12th Jul) | 3.5ft (1.1m) 7s |
| Most Powerful | 9PM (Sun 12th Jul) | 3.5ft (1.1m) 7s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Warm (max 29°C on Thu morning, min 26°C on Tue night). Winds increasing (light winds from the ENE on Tue night, near gales from the ESE by Fri afternoon). | Days 5-7 Weather SummaryHeavy rain (total 50mm), heaviest during Sun night. Warm (max 30°C on Mon morning, min 27°C on Sun night). Winds decreasing (gales from the ESE on Fri night, light winds from the SE by Sun night). | ||||||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 6 | ESE 16 | ESE 16 | ESE 16 | ESE 17 | SE 16 | SE 18 | SE 18 | SE 18 | SSE 17 | SSE 16 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | E 9 | E 9 | ENE 9 | ENE 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 16 | 29 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off |
High Tide | 00:14AM1.73m | 1:01PM1.50m | 1:09AM1.72m | 2:46PM1.47m | 2:14AM1.73m | 4:24PM1.54m | 3:22AM1.78m | 5:35PM1.65m | 4:25AM1.86m | 6:28PM1.76m | 5:22AM1.95m | 7:12PM1.85m | 6:13AM2.03m | ||||||||
Low Tide | 6:52AM0.77m | 6:47PM0.93m | 8:11AM0.68m | 8:03PM1.06m | 9:29AM0.55m | 9:28PM1.13m | 10:37AM0.40m | 10:43PM1.14m | 11:34AM0.25m | 11:43PM1.09m | 12:24PM0.13m | 00:33AM1.02m | 1:09PM0.06m | ||||||||
 |  | |  |  | | |  | |  | | | | | | | | | | | | |
 | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — |
 | 7:23 | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 |
mm | — | — | — | — | 2 | 1 | — | — | 2 | 7 | 1 | 2 | 7 | 3 | 13 | 17 | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 30 | 30 | 29 | 29 | 29 |
Feels °C | 31 | 30 | 30 | 30 | 29 | 29 | 28 | 25 | 23 | 23 | 24 | 25 | 26 | 29 | 29 | 31 | 32 | 32 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 16 | ESE 16 | ESE 16 | ESE 17 | SE 16 | SE 18 | SE 18 | — | — | — | SSW 16 | SW 16 | SW 13 | WSW 12 | SSE 10 | WSW 9 | SSE 9 | ENE 9 | S 9 | S 8 |
| kJ | 1569 | 2475 | 3197 | 4585 | 8467 | 10305 | 20687 | 31727 | — | — | — | 4833 | 2157 | 623 | 233 | 970 | 29 | 442 | 16 | 194 | 140 |
Swell 2 Height (m) Direction Period (s) | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | E 9 | E 9 | SW 9 | ENE 9 | ESE 12 |
| kJ | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 54 | 15 | 15 | 14 | 29 | 58 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 11 | SW 10 | W 8 | SE 12 | SW 10 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 41 | 4 | 6 | 6 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 18 | SSE 17 | SSE 16 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | ENE 6 | SSE 9 | ENE 5 | E 5 |
| kJ | — | — | — | — | — | — | — | — | 35050 | 38508 | 23050 | 7759 | 4143 | 2241 | 1861 | 1295 | 701 | 24 | 377 | 9 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 64 | 64 | 64 | 64 | 595 | 595 | 595 | 690 | 957 | 690 | 690 | 690 | 595 | 595 | 595 | 35 | 595 | 66 | 66 | 66 | 66 |
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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