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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 26 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 2AM is: 0.8m 10s primary swell from a East-northeast direction and 0.6m 5s secondary swell from a North-northwest direction (forecast issued at 08:00pm April 26). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 2.5ft (0.8m) | 10s |
| 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 ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 22°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | 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 | |
125 | 125 | 125 | 125 | 125 | 125 | 122 | 83 | 78 | 75 | 73 | 54 | 44 | 42 | 41 | 27 | 26 | 26 | 26 | 21 | 12 | 12 | 13 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | cross-off | off | off | off | off | off | off | cross-off | cross-off | |
High Tide | 3:24PM1.41m | 4:29AM1.56m | 4:34PM1.51m | 5:04AM1.63m | 5:26PM1.60m | 5:33AM1.70m | ||||||||||||||||||
Low Tide | 9:53PM0.49m | 10:36AM0.65m | 10:46PM0.49m | 11:18AM0.48m | 11:27PM0.51m | 11:53AM0.33m | ||||||||||||||||||
 |  | | | | | | | | | | | |  | | |  |  | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 19 | 21 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 |
18 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 19 | 20 | 18 | 17 | 19 | 20 | 21 | 19 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | 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 |
 kJ | 125 | 125 | 125 | 125 | 125 | 125 | 122 | 83 | 78 | 75 | 73 | 54 | 44 | 42 | 41 | 27 | 26 | 26 | 26 | 21 | 12 | 12 | 13 | 13 |
Swell 2 Height (m) Direction Period (s) | SE 11 | — | SSE 4 | SSE 4 | SSE 4 | SSE 4 | NNW 6 | NNW 6 | N 6 | NNW 6 | 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 |
| kJ | 5 | — | 2 | 2 | 2 | 2 | 25 | 18 | 16 | 10 | 9 | 9 | 5 | 4 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 5 | 7 |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | SE 13 | SE 11 | ESE 13 | ESE 12 | SE 12 | SE 12 | SE 12 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | N 5 | N 5 | N 5 | N 4 | N 4 | — | — | S 7 | SE 7 | E 10 |
| kJ | — | 4 | 7 | 5 | 16 | 14 | 23 | 23 | 23 | 8 | 7 | 10 | 10 | 9 | 4 | 2 | 2 | 2 | 2 | — | — | 1 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 21 | 11 | 13 | 20 | 22 | 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 74 | 28 | 28 | 28 | 14 | 28 | 14 | 14 | 14 | 0 | 0 | 0 | 12 | 12 | 12 | 628 | 679 | 674 | 674 | 674 | 674 | 664 | 1401 | 605 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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