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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Monday 27 Apr 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
24.2° C
(Which is normal for this time of year)How big are the waves at Yona Bay today?
The current surf forecast for Yona Bay at 10PM is: 0.7m 9s primary swell from a East-northeast direction and 0.4m 5s secondary swell from a North-northwest direction (forecast issued at 02:00pm April 27). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | - | - |
| Afternoon (27 Apr) | 2.5ft (0.7m) | 10s |
| Evening (27 Apr) | 2.5ft (0.7m) | 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 11mm), heaviest on Wed night. Warm (max 23°C on Wed afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 | |
122 | 83 | 78 | 76 | 73 | 54 | 44 | 42 | 41 | 27 | 26 | 26 | 26 | 21 | 13 | 13 | 13 | 13 | 13 | 12 | 14 | 75 | 116 | 96 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-on | |
High Tide | 4:34PM1.51m | 5:04AM1.63m | 5:26PM1.60m | 5:33AM1.70m | 6:08PM1.66m | 6:00AM1.75m | ||||||||||||||||||
Low Tide | 10:36AM0.65m | 10:46PM0.49m | 11:18AM0.48m | 11:27PM0.51m | 11:53AM0.33m | 00:01AM0.55m | ||||||||||||||||||
 | | |  |  | |  |  | | | | | | | | | | | |  |  |  |  |  | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 2 | |
Temp °C | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 23 | 22 | 22 | 22 | 23 | 23 | 22 |
17 | 19 | 20 | 19 | 20 | 19 | 19 | 20 | 20 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 21 | 23 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NW 8 | NNW 8 | NNW 8 | NNW 8 |
 kJ | 122 | 83 | 78 | 76 | 73 | 54 | 44 | 42 | 41 | 27 | 26 | 26 | 26 | 21 | 13 | 13 | 13 | 13 | 13 | 12 | 14 | 75 | 116 | 96 |
Swell 2 Height (m) Direction Period (s) | SE 12 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | N 5 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 8 | ESE 7 | SE 7 | E 10 | E 10 | ENE 8 | N 8 | ESE 7 | ESE 8 |
| kJ | 23 | 18 | 18 | 10 | 9 | 5 | 5 | 4 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 6 | 5 | 7 | 2 | 8 | 13 | 5 | 5 | 13 |
Swell 3 Height (m) Direction Period (s) | S 4 | SE 12 | SE 12 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | N 5 | N 5 | N 5 | N 5 | — | — | — | SE 7 | SSE 7 | — | SE 8 | SE 8 | N 8 | ESE 7 | N 8 | ENE 8 |
| kJ | 2 | 23 | 23 | 7 | 7 | 10 | 10 | 9 | 2 | 2 | 2 | 2 | — | — | — | 2 | 4 | — | 2 | 2 | 5 | 5 | 4 | 6 |
Wind waves Height (m) Direction Period (s) | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | SSE 3 | SE 6 | SE 3 | SE 4 | SSE 4 | SSW 4 | SSW 5 |
| kJ | 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 14 | 6 | 16 | 28 | 52 | 44 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 28 | 14 | 0 | 0 | 0 | 12 | 12 | 12 | 679 | 14 | 14 | 681 | 794 | 655 | 655 | 937 | 908 | 605 | 597 | 1384 | 1384 | 1336 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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