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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 06 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
23.6° C
(Which is 1.1°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 1PM is: 0.3m 6s primary swell from a North-northwest direction (forecast issued at 08:00am May 06). An open ocean swell of 0.7m 6s is not directed at the surf break, a second open ocean swell of 0.7m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 1ft (0.3m) | 6s |
| Afternoon (06 May) | 1ft (0.3m) | 6s |
| Evening (06 May) | 0.5ft (0.2m) | 6s |
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 31mm), heaviest during Wed morning. Warm (max 26°C on Fri morning, min 19°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the NNE by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | N 6 | N 6 | N 5 | N 5 | NE 8 | NE 7 | NE 7 | NE 6 | NE 7 | N 3 | N 6 | N 7 | N 7 | |
8 | 7 | 7 | 7 | 8 | 4 | 4 | 4 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 4 | 134 | 335 | 295 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross | cross | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | off | off | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross | |
High Tide | 8:27AM1.71m | 10:10PM1.46m | 8:59AM1.62m | 11:03PM1.40m | 9:39AM1.52m | 00:13AM1.37m | ||||||||||||||||||
Low Tide | 3:27PM0.25m | 3:16AM0.98m | 4:07PM0.35m | 4:04AM1.05m | 4:59PM0.45m | |||||||||||||||||||
 |  |  | |  |  | | |  | | | | | | |  | | |  | | |  |  | | |
 | 5:46 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | 7:02 |
11 | 9 | 5 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 3 | — | 1 | — | |
Temp °C | 21 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 26 | 24 | 22 | 20 | 19 | 19 |
24 | 20 | 22 | 22 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 27 | 27 | 25 | 24 | 24 | 24 | 25 | 28 | 24 | 21 | 16 | 14 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | ESE 7 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 |
 kJ | 43 | 51 | 56 | 45 | 173 | 141 | 141 | 169 | 169 | 165 | 165 | 165 | 173 | 173 | 173 | 143 | 143 | 154 | 146 | 161 | 161 | 153 | 153 | 159 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 9 | ESE 9 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | N 6 | N 6 | N 5 | N 5 | N 5 | NE 7 | NE 7 | NE 6 | NE 7 | NE 7 | — | — | — |
| kJ | 96 | 94 | 90 | 88 | 8 | 4 | 4 | 4 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 8 | N 8 | N 8 | N 8 | N 7 | — | — | — | — | N 5 | N 5 | NE 8 | — | — | — | — | — | — | — | — |
| kJ | 8 | 7 | 7 | 7 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 3 | SE 3 | SSE 3 | WSW 2 | N 3 | N 6 | N 7 | N 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 1 | 4 | 134 | 335 | 295 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 74 | 12 | 28 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 12 | 28 | 605 | 14 | 12 | 12 | 12 | 12 | 14 | 74 | 597 | 597 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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