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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
16 Day Weather and Surf, issued 8 am Saturday 30 May 2026 JSTForecast update in hr min s Forecast update imminent
Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yona Bay sea temperature is
24.8° C
(Which is 1.0°C colder than average for this time of year)Yona Bay surf forecast from 30 May 2026:
- Best quality surf: Saturday 30 May, 6PM (local time) - 1.5ft (0.5m), 10s period, E swell with cross-offshore winds.
- Most powerful swell: Tuesday 2 Jun, 3PM (local time) - 18ft (5.5m), 11s period, W swell with 6,244 kJ wave energy.
- Next surfable swell (1★+): Saturday 30 May, 6PM (local time) - 1.5ft (0.5m), 10s 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 (May 30) at 6PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.6m and 6s. Another secondary swell of 0.4m and 6s 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 5.5m 11s and forecast to arrive on Tuesday (Jun 02) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 10.5m 14s period and expected on Tuesday (Jun 02) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sat 30th May) | 1.5ft (0.5m) 10s |
| Best Surf | 6PM (Sat 30th May) | 1.5ft (0.5m) 10s |
| Most Powerful | 3PM (Tue 2nd Jun) | 18ft (5.5m) 11s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 153mm), heaviest during Mon night. Warm (max 26°C on Mon afternoon, min 23°C on Sat morning). Winds increasing (light winds from the NNE on Sat morning, stormy winds from the ESE by Mon night). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Tue morning. Warm (max 27°C on Tue morning, min 23°C on Thu night). Winds decreasing (severe gales from the WSW on Tue morning, calm by Thu afternoon). | ||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
E 10 | E 10 | E 10 | E 10 | SSE 15 | E 8 | E 9 | SE 14 | SSE 14 | SSW 12 | W 11 | NNW 11 | N 11 | N 10 | N 9 | N 8 | N 8 | N 7 | E 10 | E 9 | E 5 | |
68 | 47 | 69 | 78 | 0 | 1075 | 2224 | 0 | 0 | 0 | 6244 | 1635 | 1405 | 789 | 258 | 107 | 54 | 21 | 16 | 16 | 7 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | cross-off | cross-off | cross-off | |
High Tide | 7:12PM1.63m | 6:14AM1.81m | 7:45PM1.64m | 6:41AM1.82m | 8:16PM1.64m | 7:09AM1.82m | 8:49PM1.64m | 7:40AM1.81m | 9:23PM1.63m | 8:14AM1.77m | 10:01PM1.62m | 8:54AM1.71m | 10:44PM1.60m | ||||||||
Low Tide | 12:36PM0.24m | 00:31AM0.93m | 1:06PM0.20m | 1:01AM0.96m | 1:36PM0.19m | 1:30AM0.98m | 2:06PM0.19m | 2:02AM1.00m | 2:38PM0.22m | 2:38AM1.01m | 3:14PM0.26m | 3:19AM1.03m | 3:53PM0.34m | ||||||||
 | |  |  | |  |  | |  |  |  | | | |  | | | | | | | |
 | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:17 | — |
— | — | — | — | — | 18 | 25 | 14 | 96 | 4 | 1 | — | — | — | — | — | — | 2 | 4 | 2 | — | |
Temp °C | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 23 | 24 | 24 |
24 | 24 | 24 | 23 | 24 | 21 | 20 | 18 | 13 | 17 | 19 | 23 | 25 | 26 | 28 | 28 | 29 | 29 | 25 | 26 | 27 | |
Swell 1 Height (m) Direction Period (s) | N 6 | N 6 | SE 13 | SSE 14 | SSE 15 | SSE 16 | SSE 15 | — | — | ESE 10 | SSE 12 | NNW 11 | N 11 | N 10 | N 9 | N 8 | N 8 | SSE 7 | S 8 | S 8 | S 8 |
 kJ | 33 | 28 | 723 | 1516 | 3503 | 8112 | 9972 | — | — | 490 | 669 | 1635 | 1405 | 789 | 258 | 107 | 54 | 38 | 58 | 60 | 111 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | — | — | — | — | — | — | SE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | N 7 | N 6 | E 9 | E 5 |
| kJ | 68 | 47 | 69 | 78 | — | — | — | — | — | — | 190 | 268 | 126 | 81 | 43 | 36 | 26 | 21 | 6 | 16 | 7 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SE 14 | ENE 12 | — | — | — | — | — | — | — | — | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | W 5 | W 5 |
| kJ | 8 | 99 | 13 | — | — | — | — | — | — | — | — | 33 | 19 | 17 | 17 | 17 | 17 | 16 | 16 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | N 6 | NE 4 | ENE 5 | E 8 | E 9 | SE 14 | SSE 14 | SSW 12 | W 11 | W 8 | WNW 7 | — | — | — | — | — | — | — | — |
| kJ | 10 | 13 | 24 | 28 | 123 | 1075 | 2224 | 23745 | 45586 | 14725 | 6244 | 387 | 66 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 74 | 595 | 0 | 595 | 922 | 664 | 690 | 595 | 664 | 690 | 690 | 28 | 28 | 14 | 12 | 12 | 35 | 64 | 64 | 64 | 64 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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