Surf Forecasts:
Yona Bay surf forecast from 5 Jul 2026:
- Best quality surf: Monday 13 Jul, 6AM (local time) - 2ft (0.6m), 8s period, ENE swell with offshore winds.
- Most powerful swell: Monday 13 Jul, 3AM (local time) - 2.5ft (0.7m), 7s period, ENE swell with 46 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 6AM (local time) - 2ft (0.6m), 8s period with ENE 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 Monday (Jul 13) at 6AM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.7m and 4s. 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 0.7m 7s and forecast to arrive on Monday (Jul 13) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 7.0m 19s period and expected on Friday (Jul 10) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 13th Jul) | 2ft (0.6m) 8s |
| Best Surf | 6AM (Mon 13th Jul) | 2ft (0.6m) 8s |
| Most Powerful | 3AM (Mon 13th Jul) | 2.5ft (0.7m) 7s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Mon morning, min 26°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the ENE by Wed night). | Days 4-6 Weather SummaryHeavy rain (total 56mm), heaviest during Sat night. Warm (max 29°C on Thu afternoon, min 28°C on Thu morning). Winds decreasing (near gales from the ESE on Fri night, fresh winds from the SE by Sat night). | ||||||||||||||||||||
Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||
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) | ESE 16 | W 7 | W 6 | W 6 | W 7 | W 6 | ESE 18 | ESE 18 | ESE 17 | SE 17 | SE 17 | SE 18 | SSE 19 | SSE 17 | SSE 16 | SSE 16 | SSE 14 | SSE 12 | SSE 11 | SSE 11 | SSE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 21 | 18 | 20 | 15 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | glassy | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | off |
High Tide | 10:33AM1.69m | 11:28PM1.75m | 11:37AM1.59m | 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 | ||||||||
Low Tide | 4:58PM0.60m | 5:43AM0.82m | 5:47PM0.77m | 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 | ||||||||
 | |  | | | | | |  |  | |  | | | | | | | | | | |
 | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 2 | 5 | 3 | 3 | 7 | 1 | 5 | 28 | 27 | 23 | 14 |
Temp °C | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 |
Feels °C | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 30 | 29 | 28 | 29 | 27 | 25 | 24 | 25 | 27 | 28 | 28 | 29 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | W 6 | ESE 17 | ESE 14 | ESE 14 | ESE 16 | ESE 16 | ESE 18 | ESE 18 | ESE 17 | SE 17 | SE 17 | SE 18 | SSE 19 | SW 23 | — | SSW 16 | SSW 14 | SW 14 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 18 | 162 | 285 | 497 | 827 | 1569 | 4233 | 5392 | 7729 | 10211 | 12327 | 17949 | 31465 | 86 | — | 11772 | 5132 | 787 | 1675 | 1242 | 1080 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | W 7 | W 6 | W 6 | W 7 | W 6 | — | — | — | — | — | — | — | — | — | — | — | SSW 12 | SW 12 | SW 11 | SW 10 |
| kJ | 24 | 21 | 18 | 20 | 15 | 12 | — | — | — | — | — | — | — | — | — | — | — | 244 | 220 | 101 | 52 |
Swell 3 Height (m) Direction Period (s) | ESE 16 | ESE 8 | ESE 9 | SE 18 | ESE 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 14 | WSW 10 |
| kJ | 53 | 24 | 25 | 81 | 40 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 20 |
Wind waves Height (m) Direction Period (s) | — | WSW 7 | — | — | — | — | — | — | ENE 5 | — | — | — | — | SSE 17 | SSE 16 | SSE 16 | SSE 14 | SSE 12 | — | — | — |
| kJ | — | 15 | — | — | — | — | — | — | 52 | — | — | — | — | 28234 | 25446 | 13838 | 7122 | 2892 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 28 | 64 | 64 | 674 | 655 | 804 | 925 | 664 | 690 | 690 | 690 | 690 | 690 | 595 | 595 | 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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