- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Friday 08 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
23.6° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 4PM is: 0.1m 7s primary swell from a Northeast direction (forecast issued at 08:00am May 08). An open ocean swell of 0.9m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 0.5ft (0.1m) | 5s |
| Afternoon (08 May) | 0.5ft (0.1m) | 7s |
| Evening (08 May) | 3.5ft (1.0m) | 4s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 33mm), heaviest during Sat afternoon. Warm (max 24°C on Fri morning, min 16°C on Sat morning). Winds increasing (calm on Fri morning, strong winds from the NE by Sat morning). | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | NE 5 | ESE 9 | NE 7 | NNE 3 | NNE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NE 7 | NE 7 | ENE 7 | E 7 | E 10 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | |
1 | 1 | 0 | 2 | 3 | 32 | 77 | 202 | 336 | 367 | 430 | 393 | 346 | 186 | 156 | 426 | 481 | 466 | 477 | 466 | 439 | 425 | 386 | 386 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:39AM1.52m | 00:13AM1.37m | 10:39AM1.40m | 1:38AM1.39m | 12:25PM1.31m | 2:47AM1.45m | ||||||||||||||||||
Low Tide | 4:04AM1.05m | 4:59PM0.45m | 5:22AM1.10m | 6:09PM0.55m | 7:19AM1.06m | 7:35PM0.61m | ||||||||||||||||||
 |  | |  | |  |  | |  | | | | | | | | | | | | | |  | | |
 | 5:43 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
— | — | — | — | — | — | 2 | 1 | 1 | 2 | 2 | 5 | 5 | 5 | 3 | 3 | 1 | 1 | — | — | — | — | — | 1 | |
Temp °C | 23 | 23 | 24 | 24 | 22 | 20 | 20 | 19 | 18 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 |
25 | 25 | 25 | 24 | 20 | 17 | 16 | 13 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 15 | 15 | 16 | 16 | 18 | 18 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | SE 12 | SE 12 |
 kJ | 143 | 146 | 146 | 149 | 149 | 153 | 153 | 159 | 143 | 176 | 140 | 140 | 131 | 94 | 74 | 45 | 32 | 19 | 12 | 12 | 6 | 6 | 24 | 23 |
Swell 2 Height (m) Direction Period (s) | E 8 | — | — | NE 7 | — | — | — | — | — | — | — | — | N 7 | ESE 10 | ESE 10 | NE 8 | — | — | SE 15 | S 15 | SE 13 | SE 13 | N 6 | N 6 |
| kJ | 1 | — | — | 2 | — | — | — | — | — | — | — | — | 52 | 131 | 102 | 3 | — | — | 8 | 4 | 7 | 27 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | — | NE 5 | — | NE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 6 | N 6 | — |
| kJ | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNE 3 | NNE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NE 7 | NE 7 | ENE 7 | E 7 | E 10 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 |
| kJ | — | — | — | — | 3 | 32 | 77 | 202 | 336 | 367 | 430 | 393 | 346 | 186 | 156 | 426 | 481 | 466 | 477 | 466 | 439 | 425 | 386 | 386 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 28 | 44 | 605 | 597 | 597 | 595 | 595 | 595 | 595 | 957 | 690 | 595 | 595 | 60 | 595 | 595 | 925 | 65 | 65 | 595 | 595 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
Nearest