Surf Forecasts:
Yona Bay surf forecast from 4 Jul 2026:
- Most powerful swell: Monday 6 Jul, 3AM (local time) - 0.5ft (0.2m), 19s period, E swell with 27 kJ wave energy.
Best Forecast Surf Conditions for Yona Bay this week:
The most powerful waves expected at Yona Bay in the next 16 days are 0.2m 19s and forecast to arrive on Monday (Jul 06) at 3AM. Winds are predicted to be cross-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 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3AM (Mon 6th Jul) | 0.5ft (0.2m) 19s |
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 29°C on Sun morning, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 29°C on Fri morning, min 26°C on Tue night). Winds increasing (calm on Tue night, strong winds from the ESE by Fri afternoon). | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Sat 11 | |||||||||||||||
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) | E 9 | W 6 | W 6 | W 6 | W 6 | W 7 | W 6 | W 6 | W 7 | ESE 18 | ESE 18 | ESE 17 | ESE 17 | SE 17 | SE 18 | SE 18 | SSE 18 | SSE 18 | SSE 17 | SSW 16 | SSE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 6 | 12 | 17 | 18 | 23 | 12 | 12 | 14 | 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-off | cross | cross | cross-off | cross | on | cross-off | on | on | glassy | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 10:12PM1.78m | 9:40AM1.78m | 10:48PM1.77m | 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 | |||||||
Low Tide | 3:57AM0.90m | 4:15PM0.46m | 4:46AM0.86m | 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 | ||||||||
 |  | | | | | | | | | | |  |  |  |  | | | | | | |
 | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — |
 | 7:23 | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 1 | 4 | 1 | 2 |
Temp °C | 27 | 29 | 29 | 27 | 29 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 32 | 33 | 33 | 31 | 33 | 31 | 32 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | E 9 | ESE 9 | ESE 9 | W 6 | W 6 | ESE 17 | ESE 14 | ESE 14 | ESE 17 | ESE 18 | ESE 18 | ESE 17 | ESE 17 | SE 17 | SE 18 | SE 18 | SSE 18 | SSE 18 | — | SSW 16 | SSW 15 |
| kJ | 39 | 26 | 26 | 17 | 18 | 162 | 285 | 421 | 818 | 3022 | 4924 | 5751 | 7895 | 10934 | 14881 | 23547 | 30470 | 49683 | — | 15833 | 3348 |
Swell 2 Height (m) Direction Period (s) | WSW 4 | W 6 | W 6 | ESE 9 | ESE 8 | W 7 | W 6 | ESE 18 | ESE 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 6 | 12 | 25 | 24 | 23 | 12 | 249 | 289 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | SE 9 | ESE 16 | ESE 8 | ESE 9 | W 6 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 4 | 4 | 3 | 53 | 24 | 25 | 12 | 14 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 18 | SSE 17 | SSE 15 | SSE 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32378 | 25508 | 14148 | 7759 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 622 | 645 | 681 | 908 | 12 | 12 | 12 | 14 | 14 | 64 | 64 | 595 | 64 | 664 | 690 | 664 | 595 | 925 | 690 | 690 | 937 |
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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