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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Friday 22 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
23.2° C
(Which is 2.2°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 5PM is: 0.8m 4s primary swell from a West-southwest direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am May 22). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2ft (0.6m) | 6s |
| Afternoon (22 May) | 2ft (0.6m) | 4s |
| Evening (22 May) | 3ft (0.9m) | 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 25mm), heaviest during Sat morning. Warm (max 27°C on Sun morning, min 23°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 7 | W 6 | ESE 9 | SW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 | ESE 9 | W 6 | WSW 4 | WSW 6 | WSW 6 | SW 6 | N 7 | N 7 | W 6 | W 6 | W 6 | NE 10 | W 7 | NE 10 | NE 10 | |
31 | 29 | 0 | 12 | 19 | 34 | 51 | 60 | 67 | 0 | 32 | 49 | 84 | 82 | 52 | 15 | 15 | 41 | 40 | 28 | 29 | 35 | 47 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | |
High Tide | 10:22AM1.64m | 00:27AM1.55m | 11:37AM1.51m | 1:35AM1.54m | 1:14PM1.42m | 2:37AM1.57m | ||||||||||||||||||
Low Tide | 4:48AM0.99m | 5:28PM0.35m | 6:07AM0.99m | 6:35PM0.51m | 7:37AM0.92m | 7:49PM0.63m | ||||||||||||||||||
 |  |  | | |  |  | | |  |  | | |  |  | | | | |  | | | |  | |
 | 5:37 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | 7:12 |
— | — | 1 | 2 | 3 | 4 | 1 | 1 | 2 | 7 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 25 | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 25 | 25 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
28 | 29 | 27 | 27 | 24 | 23 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 28 | 28 | 29 | 29 | 29 | 31 | 29 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | WSW 6 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | WSW 6 | WSW 6 | WSW 6 | W 6 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 132 | 142 | 118 | 118 | 118 | 92 | 92 | 92 | 92 | 42 | 90 | 90 | 88 | 88 | 68 | 70 | 56 | 41 | 103 | 90 | 88 | 96 | 75 | 75 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 6 | — | WSW 6 | E 10 | E 9 | — | N 6 | N 6 | ESE 9 | W 6 | NNW 8 | NNW 7 | NNW 7 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | W 6 | W 6 | W 6 | W 7 | W 7 | NE 10 |
| kJ | 31 | 29 | — | 26 | 2 | 2 | — | 1 | 3 | 92 | 32 | 11 | 11 | 10 | 90 | 92 | 96 | 96 | 40 | 28 | 29 | 34 | 23 | 47 |
Swell 3 Height (m) Direction Period (s) | E 10 | — | — | E 10 | NE 10 | — | — | — | N 9 | SSE 5 | NNW 8 | — | — | N 8 | NNW 7 | N 7 | N 7 | N 7 | N 7 | N 6 | NE 10 | NE 10 | NE 10 | WSW 7 |
| kJ | 2 | — | — | 2 | 4 | — | — | — | 2 | 8 | 13 | — | — | 5 | 18 | 15 | 15 | 8 | 8 | 7 | 27 | 35 | 47 | 15 |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 3 | WSW 6 | SW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 | — | S 4 | WSW 4 | WSW 6 | WSW 6 | SW 6 | SSW 5 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 5 | SW 4 | SW 5 | SSW 4 |
| kJ | 3 | 5 | 33 | 12 | 19 | 34 | 51 | 60 | 67 | — | 9 | 49 | 84 | 82 | 52 | 14 | 7 | 8 | 4 | 6 | 6 | 3 | 6 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 595 | 12 | 12 | 0 | 12 | 12 | 12 | 12 | 12 | 12 | 0 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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