
Surf Forecasts:
Yona Bay surf forecast from 29 Sep 2026:
- Best quality surf: Sunday 4 Oct, 9AM (local time) - 2.5ft (0.8m), 6s period, ENE swell with offshore winds.
- Most powerful swell: Tuesday 6 Oct, 3PM (local time) - 4.5ft (1.4m), 15s period, E swell with 835 kJ wave energy.
- Next surfable swell (1★+): Sunday 4 Oct, 9AM (local time) - 2.5ft (0.8m), 6s 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 Sunday (Oct 04) at 9AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.4m and 8s. 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 1.4m 15s and forecast to arrive on Tuesday (Oct 06) 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 0.9m 4s period and expected on Saturday (Oct 03) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 4th Oct) | 2.5ft (0.8m) 6s |
| Best Surf | 9AM (Sun 4th Oct) | 2.5ft (0.8m) 6s |
| Most Powerful | 3PM (Tue 6th Oct) | 4.5ft (1.4m) 15s |
Table - best surf conditions forecast for Yona Bay over the next 16 days.
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Sat afternoon. Warm (max 27°C on Fri night, min 26°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 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 | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | ENE 9 | ENE 9 | ENE 8 | N 6 | N 6 | NE 9 | NE 8 | ENE 9 | NNE 5 | NNE 6 | NNW 8 | N 7 | NNW 7 | E 8 | ENE 6 | E 7 | E 7 | E 8 | ENE 10 | ENE 11 |
Wave Graph | |||||||||||||||||||||
166 | 80 | 61 | 25 | 16 | 15 | 20 | 42 | 31 | 52 | 84 | 143 | 106 | 79 | 52 | 56 | 77 | 88 | 69 | 52 | 167 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | off | glassy | on | on | cross-on |
High Tide | 8:19PM2.02m | 9:14AM1.91m | 8:50PM1.99m | 10:02AM1.77m | 9:24PM1.91m | 11:00AM1.62m | 10:04PM1.80m | 12:25PM1.49m | 11:00PM1.67m | 2:32PM1.47m | 00:44AM1.55m | 4:01PM1.56m | 2:55AM1.56m | ||||||||
Low Tide | 2:25PM0.64m | 2:49AM0.21m | 2:58PM0.77m | 3:31AM0.25m | 3:33PM0.92m | 4:19AM0.33m | 4:14PM1.07m | 5:22AM0.46m | 5:15PM1.21m | 6:48AM0.56m | 7:21PM1.27m | 8:32AM0.59m | 9:29PM1.15m | ||||||||
6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | |
— | 6:15 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:12 | — | — | 6:10 | — | — | 6:09 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 2 | 2 | 5 | 1 | — | 2 |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 28 | 27 | 25 | 25 | 29 | 27 | 28 | 26 | 28 | 30 | 30 | 29 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 9 | ENE 9 | N 6 | N 6 | NE 7 | NE 9 | NE 8 | ENE 9 | NE 8 | NE 9 | NNW 8 | N 7 | NNW 7 | NE 7 | ENE 6 | E 7 | E 7 | E 8 | ENE 10 | ENE 11 |
166 | 80 | 61 | 18 | 16 | 7 | 20 | 42 | 31 | 18 | 19 | 143 | 106 | 79 | 43 | 56 | 77 | 88 | 69 | 52 | 167 | |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSE 9 | WNW 5 | ENE 8 | NE 7 | E 10 | E 10 | E 10 | SE 8 | E 10 | E 9 | ESE 8 | E 9 | E 9 | NNW 7 | E 8 | E 8 | NNW 6 | ENE 8 | E 8 | ESE 10 |
3 | 8 | 18 | 25 | 14 | 8 | 8 | 8 | 2 | 7 | 7 | 24 | 23 | 54 | 27 | 23 | 22 | 8 | 24 | 33 | 56 | |
Swell 3 Height (m) Direction Period (s) | — | — | SSE 9 | W 6 | W 5 | W 6 | W 6 | W 5 | S 6 | SE 8 | SE 8 | E 10 | SE 8 | SE 9 | E 8 | NNW 7 | NNW 6 | ENE 10 | E 16 | ESE 9 | E 15 |
— | — | 8 | 5 | 2 | 3 | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 52 | 15 | 14 | 20 | 45 | 17 | 67 | |
Wind waves Height (m) Direction Period (s) | W 4 | WNW 4 | — | — | — | N 6 | N 6 | NNW 6 | NNE 4 | NNE 5 | NNE 6 | ENE 9 | ENE 5 | ENE 7 | E 6 | ESE 6 | — | — | N 3 | NNW 5 | N 6 |
14 | 26 | — | — | — | 15 | 10 | 3 | 18 | 52 | 84 | 65 | 51 | 37 | 15 | 30 | — | — | 7 | 39 | 91 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 78 | 44 | 74 | 595 | 595 | 74 | 74 | 597 | 1305 | 920 | 681 | 60 | 63 | 595 | 0 | 0 | 0 | 14 | 597 | 597 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.










