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Yona Bay surfForecast / Okinawa / Japan
12 Day Weather and Surf, issued 2 am Wednesday 16 Jul 2025 JST
Best Forecast Surf Conditions for Yona Bay this week:
The surf forecast for Yona Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 16) at 6AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.5m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Yona Bay in the next 12 days are 6.5m 13s and forecast to arrive on Tuesday (Jul 22) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 12s period and expected on Tuesday (Jul 22) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 16th Jul) | 2.5ft (0.7m) 11s |
| Best Surf | 9PM (Tue 22nd Jul) | 21ft (6.5m) 13s |
| Most Powerful | 9PM (Tue 22nd Jul) | 21ft (6.5m) 13s |
Table - best surf conditions forecast for Yona Bay over the next 12 days.
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 10 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 10 | 11 | 11 | 10 | 8 | 8 | 8 | 11 | 11 | 8 | 9 | 13 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 7 | 7 | 7 | 8 | 9 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 145 | 19 | 8 | 4 | 4 | 5 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 643 | 572 | 765 | 0 | 0 | 836 | 1682 | 10835 | 2210 | 1817 | 641 | 340 | 2287 | 831 | 553 | 427 | 350 | 34 | 17 | 17 | 167 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off |
High Tide / height (m) | 10:21AM 1.82 | 11:09PM 1.81 | 11:21AM 1.69 | 11:52PM 1.78 | 12:37PM 1.57 | 12:43AM 1.75 | 2:19PM 1.50 | 1:46AM 1.74 | 4:08PM 1.53 | 2:58AM 1.76 | 5:28PM 1.62 | 4:08AM 1.81 | 6:23PM 1.72 | 5:09AM 1.89 | 7:05PM 1.81 | 6:01AM 1.97 | 7:41PM 1.86 | 6:47AM 2.02 | 8:13PM 1.90 | 7:30AM 2.04 | 8:43PM 1.92 | 8:11AM 2.02 | 9:12PM 1.92 | |||||||||||||
Low Tide / height (m) | 4:46PM 0.55 | 5:21AM 0.75 | 5:32PM 0.74 | 6:25AM 0.72 | 6:26PM 0.92 | 7:42AM 0.67 | 7:36PM 1.09 | 9:06AM 0.58 | 9:05PM 1.19 | 10:21AM 0.46 | 10:29PM 1.20 | 11:23AM 0.33 | 11:33PM 1.15 | 12:14PM 0.22 | 12:24AM 1.08 | 12:58PM 0.16 | 1:07AM 0.99 | 1:37PM 0.15 | 1:46AM 0.90 | 2:13PM 0.18 | 2:23AM 0.83 | 2:47PM 0.26 | 3:00AM 0.78 | |||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||||||||
| Sunrise | 5:43 | - | - | 5:43 | - | - | 5:43 | - | - | 5:43 | - | - | 5:45 | - | - | 5:45 | - | - | 5:46 | - | - | 5:46 | - | - | 5:47 | - | - | 5:47 | - | - | 5:48 | - | - | 5:48 | - | - |
| Sunset | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | 7:21 | - | - | 7:21 | - | - | 7:21 | - | - | 7:20 | - | - | 7:20 | - | - | 7:19 | - | - | 7:19 | - | - | 7:17 | - | - | 7:17 | - |
 |  |  | | |  |  |  | | | | | | | | |  | | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | 1 | - | - | 1 | 8 | 3 | 6 | 8 | - | 2 | 4 | 1 | 2 | 2 | 1 | - | 1 | 2 | 3 | 63 | 7 | 3 | 4 | 1 | - | 1 | - | 2 | - | - | - | - | - | - | 1 |
| Temp. °C | 29 | 30 | 28 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 30 | 30 | 29 | 30 | 29 | 28 |
| Feels °C (?) | 32 | 33 | 31 | 31 | 32 | 30 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 25 | 23 | 22 | 25 | 28 | 27 | 23 | 28 | 29 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 32 |
Short Range Forecast: Heavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 30°C on Wed afternoon, min 26°C on Fri afternoon). Winds increasing (light winds from the SSE on Wed morning, fresh winds from the ESE by Fri night). | Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Sat afternoon. Warm (max 28°C on Sat morning, min 27°C on Sun night). Mainly strong winds. | Days 6-9 Weather Summary Heavy rain (total 84mm), heaviest during Tue night. Warm (max 29°C on Wed morning, min 27°C on Tue afternoon). Winds decreasing (gales from the ENE on Tue night, fresh winds from the S by Thu night). | Long Range Forecast: Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 30°C on Sat morning, min 28°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Recent Eyeball Surf Reports for Okinawa
Continuing clean conditions at Yona Bay (light winds from the S at Nago 31 km from Yona Bay). 0.2m 7s swell from the NE with a 0.2m 7s swell from the NE and a 0.1m 6s windswell from the NNW. Swells combining to make to make bigger set waves.
31 km away, 1 h 20 min ago
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 12 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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