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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Monday 25 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
24.3° C
(Which is 1.2°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 11AM is: 0.6m 10s primary swell from a Northeast direction and 0.3m 6s secondary swell from a Southwest direction (forecast issued at 08:00am May 25). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2ft (0.6m) | 10s |
| Afternoon (25 May) | 2ft (0.6m) | 10s |
| Evening (25 May) | 2ft (0.6m) | 9s |
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 30mm), heaviest during Mon afternoon. Warm (max 27°C on Wed morning, min 23°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 10 | ENE 10 | NE 10 | ENE 10 | ENE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | W 8 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | |
48 | 64 | 76 | 60 | 60 | 71 | 90 | 90 | 90 | 39 | 39 | 51 | 83 | 81 | 59 | 58 | 58 | 121 | 119 | 119 | 107 | 103 | 76 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-on | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross | |
High Tide | 2:53PM1.42m | 3:28AM1.62m | 4:10PM1.47m | 4:10AM1.68m | 5:09PM1.54m | |||||||||||||||||||
Low Tide | 8:56AM0.80m | 8:58PM0.71m | 9:59AM0.65m | 9:57PM0.77m | 10:47AM0.50m | 10:45PM0.82m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | |  | |  | | | | | | |  | |
 | 5:35 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 |
 | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | 7:14 |
— | 1 | 2 | 4 | 4 | — | — | 4 | 4 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | |
Temp °C | 26 | 26 | 26 | 25 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 |
30 | 29 | 30 | 30 | 24 | 23 | 25 | 26 | 25 | 27 | 27 | 29 | 28 | 27 | 26 | 27 | 27 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | W 8 | ENE 10 | ENE 10 | W 7 | W 7 | W 7 | WSW 7 | WSW 7 | W 8 | WSW 8 | ENE 11 | WSW 8 | ENE 11 |
 kJ | 78 | 81 | 71 | 75 | 77 | 71 | 90 | 90 | 90 | 39 | 39 | 51 | 83 | 81 | 40 | 38 | 36 | 49 | 54 | 84 | 136 | 103 | 75 | 76 |
Swell 2 Height (m) Direction Period (s) | NE 10 | ENE 10 | NE 10 | ENE 10 | ENE 10 | WSW 6 | ESE 10 | ESE 9 | E 9 | E 9 | E 9 | SSE 4 | W 8 | W 8 | ENE 9 | ENE 9 | ENE 9 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ESE 10 | ENE 11 | ESE 10 |
| kJ | 48 | 64 | 76 | 60 | 60 | 8 | 56 | 25 | 45 | 45 | 45 | 11 | 46 | 41 | 59 | 58 | 58 | 121 | 119 | 119 | 107 | 33 | 76 | 31 |
Swell 3 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 6 | SW 6 | W 6 | SW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | NE 9 | SSE 5 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 14 | ESE 10 | E 14 |
| kJ | 15 | 15 | 8 | 6 | 7 | 1 | 13 | 14 | 15 | 15 | 15 | 39 | 12 | 31 | 31 | 31 | 48 | 31 | 32 | 33 | 33 | 4 | 32 | 4 |
Wind waves Height (m) Direction Period (s) | SW 6 | SSW 6 | SW 6 | — | — | ESE 10 | SE 4 | SE 4 | SE 4 | SSE 4 | SSE 4 | — | — | S 5 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | WSW 8 | S 4 | SW 7 |
| kJ | 5 | 3 | 6 | — | — | 111 | 14 | 18 | 18 | 17 | 15 | — | — | 16 | 20 | 22 | 18 | 17 | 18 | 20 | 21 | 122 | 10 | 118 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 12 | 0 | 655 | 0 | 0 | 0 | 44 | 14 | 12 | 0 | 655 | 595 | 595 | 595 | 655 | 655 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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