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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Wednesday 27 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
24.4° 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 5AM is: 0.7m 12s primary swell from a East-northeast direction (forecast issued at 02:00am May 27). An open ocean swell of 0.8m 7s is not directed at the surf break, a second open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 2.5ft (0.7m) | 12s |
| Afternoon (27 May) | 2ft (0.6m) | 12s |
| Evening (27 May) | 3ft (0.9m) | 8s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 28°C on Wed afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 10 | ENE 9 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | W 8 | W 8 | ENE 11 | ENE 11 | W 8 | W 8 | W 8 | W 8 | W 8 | ENE 10 | ENE 10 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 9 | ENE 9 | ENE 10 | |
66 | 59 | 125 | 123 | 121 | 90 | 103 | 103 | 80 | 80 | 76 | 74 | 84 | 64 | 44 | 38 | 40 | 24 | 24 | 24 | 23 | 17 | 16 | 20 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 4:10AM1.68m | 5:09PM1.54m | 4:46AM1.72m | 5:56PM1.58m | 5:17AM1.76m | 6:37PM1.62m | ||||||||||||||||||
Low Tide | 9:57PM0.77m | 10:47AM0.50m | 10:45PM0.82m | 11:28AM0.39m | 11:26PM0.86m | 12:04PM0.30m | ||||||||||||||||||
 | |  |  | | | | |  |  |  | | | |  |  | | | | | | | | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — |
— | — | — | — | — | — | — | — | 3 | — | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | WSW 7 | ENE 12 | ENE 12 | ENE 12 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | NNW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 66 | 49 | 63 | 123 | 121 | 90 | 103 | 103 | 80 | 80 | 76 | 74 | 84 | 64 | 44 | 28 | 12 | 32 | 32 | 32 | 38 | 38 | 38 | 54 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 9 | ENE 12 | ESE 10 | ESE 10 | ESE 10 | ENE 11 | ENE 11 | S 5 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 5 | S 5 | S 5 | W 7 | W 7 | NE 10 | NE 10 | NE 10 | ENE 9 | ENE 9 | ENE 10 |
| kJ | 60 | 59 | 125 | 31 | 32 | 33 | 82 | 79 | 18 | 36 | 26 | 26 | 25 | 15 | 14 | 13 | 26 | 15 | 24 | 24 | 23 | 17 | 16 | 19 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | E 15 | E 15 | E 15 | ESE 10 | ESE 10 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 10 | W 7 | W 7 | SW 7 | SW 7 | SSW 6 | SSW 6 |
| kJ | 31 | 31 | 31 | 4 | 4 | 4 | 33 | 33 | 78 | 76 | 64 | 42 | 39 | 38 | 38 | 38 | 40 | 24 | 8 | 8 | 7 | 7 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | S 5 | SSW 5 | SSW 5 | SW 5 | SW 7 | SW 8 | SSW 5 | S 5 | SSW 5 | SSW 5 | SW 7 | — | — | — | NNW 4 | NW 5 | — | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 |
| kJ | 27 | 35 | 38 | 80 | 176 | 173 | 35 | 25 | 36 | 31 | 63 | — | — | — | 4 | 5 | — | 18 | 18 | 17 | 17 | 15 | 15 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 655 | 664 | 14 | 12 | 12 | 12 | 44 | 12 | 12 | 12 | 12 | 12 | 12 | 44 | 14 | 605 | 74 | 74 | 74 | 74 | 78 | 74 | 856 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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