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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Monday 11 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 1.4°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 12AM is: 1.3m 9s primary swell from a East direction and 0.1m 5s secondary swell from a North direction (forecast issued at 08:00pm May 11). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | - | - |
| Evening (12 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue morning. Warm (max 24°C on Tue morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | N 5 | E 8 | W 5 | W 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 10 | E 10 | E 10 | ENE 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | E 10 | E 10 | ENE 9 | |
275 | 275 | 275 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 231 | 231 | 116 | 160 | 219 | 210 | 173 | 76 | 80 | 79 | 117 | 115 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:37AM1.54m | 3:51PM1.46m | 4:17AM1.63m | 4:52PM1.59m | 4:53AM1.73m | |||||||||||||||||||
Low Tide | 8:54PM0.63m | 9:52AM0.73m | 9:57PM0.62m | 10:38AM0.52m | 10:47PM0.62m | 11:20AM0.32m | ||||||||||||||||||
 |  |  |  |  | | | | |  | | |  |  | | |  | | | | | | | | |
 | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | 7:06 |
7 | 1 | — | 1 | 2 | 3 | 5 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 22 | 22 | 22 | 22 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 23 |
21 | 23 | 22 | 22 | 23 | 24 | 26 | 25 | 22 | 22 | 24 | 25 | 26 | 23 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ESE 9 | SE 9 | SE 9 | W 5 | — | SE 8 | ESE 9 | ESE 9 | E 10 | E 10 | E 10 | ENE 10 | E 10 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 9 |
 kJ | 275 | 275 | 275 | 311 | 3 | 3 | 1 | — | 3 | 248 | 265 | 231 | 231 | 116 | 160 | 219 | 210 | 173 | 98 | 98 | 98 | 117 | 115 | 92 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SSE 10 | N 5 | N 5 | — | S 11 | S 11 | S 11 | — | SE 8 | SE 8 | SSE 8 | SSE 8 | ESE 10 | ESE 9 | SSE 8 | SSE 8 | SSE 7 | E 9 | ENE 9 | SSE 7 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 16 | 10 | 1 | 1 | — | 2 | 2 | 2 | — | 3 | 3 | 7 | 6 | 100 | 65 | 11 | 11 | 11 | 76 | 80 | 11 | 16 | 16 | 28 |
Swell 3 Height (m) Direction Period (s) | N 5 | N 5 | SE 11 | SE 11 | — | W 5 | — | — | — | — | — | — | — | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | — | SSE 7 | SSE 7 | SSE 7 |
| kJ | 1 | 1 | 5 | 5 | — | 1 | — | — | — | — | — | — | — | 6 | 13 | 11 | 11 | 11 | 11 | 5 | — | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | SE 3 | — | — | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | — | — | — | — | NE 3 | — | — | — | — | — | ENE 3 | ENE 9 | E 3 | E 4 | E 4 |
| kJ | — | 2 | — | — | 331 | 341 | 307 | 304 | 283 | — | — | — | — | 3 | — | — | — | — | — | 2 | 79 | 6 | 16 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 54 | 595 | 595 | 80 | 28 | 74 | 92 | 595 | 0 | 33 | 595 | 65 | 65 | 59 | 59 | 0 | 0 | 0 | 60 | 54 | 655 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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