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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Friday 08 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
23.3° C
(Which is 1.7°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 4AM is: 1.4m 6s primary swell from a North-northeast direction (forecast issued at 08:00pm May 08). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 5.5ft (1.7m) | 6s |
| Afternoon (09 May) | 6ft (1.8m) | 7s |
| Evening (09 May) | 3ft (0.9m) | 7s |
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 45mm), heaviest during Sat afternoon. Warm (max 22°C on Sun night, min 16°C on Sat afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Monday 11 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
NNE 4 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NE 6 | N 7 | E 7 | E 7 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | N 6 | N 6 | |
16 | 72 | 97 | 107 | 153 | 220 | 261 | 307 | 209 | 83 | 217 | 205 | 498 | 609 | 594 | 581 | 626 | 660 | 621 | 517 | 541 | 679 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:13AM1.37m | 10:39AM1.40m | 1:38AM1.39m | 12:25PM1.31m | 2:47AM1.45m | 2:27PM1.34m | ||||||||||||||||||
Low Tide | 4:59PM0.45m | 5:22AM1.10m | 6:09PM0.55m | 7:19AM1.06m | 7:35PM0.61m | 8:53AM0.92m | ||||||||||||||||||
 |  | | |  | | | |  |  | | | | | | | |  | |  | |  | | | |
 | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:04 |
— | 1 | 1 | 2 | 1 | 4 | 1 | 2 | 9 | 7 | 1 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | 1 | 3 | |
Temp °C | 22 | 20 | 20 | 19 | 18 | 18 | 17 | 16 | 17 | 18 | 19 | 19 | 19 | 18 | 19 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 21 |
19 | 15 | 18 | 14 | 13 | 13 | 10 | 10 | 13 | 16 | 15 | 16 | 15 | 13 | 16 | 16 | 16 | 19 | 19 | 20 | 21 | 20 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | N 7 | ESE 10 | ESE 9 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | SE 12 | SE 12 | SE 12 | E 9 | SE 11 | E 9 |
 kJ | 149 | 153 | 153 | 159 | 173 | 176 | 176 | 143 | 176 | 83 | 132 | 149 | 32 | 20 | 19 | 11 | 6 | 6 | 24 | 23 | 23 | 495 | 19 | 405 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NNW 7 | ESE 7 | — | — | N 7 | N 7 | — | — | S 15 | S 15 | SE 13 | SSE 13 | N 6 | N 6 | SE 12 | SE 12 | N 6 | SSE 11 |
| kJ | — | — | — | — | — | — | 35 | 31 | — | — | 62 | 45 | — | — | 4 | 4 | 7 | 17 | 3 | 2 | 23 | 23 | 1 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 6 | N 6 | — | N 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NE 6 | E 6 | E 7 | E 7 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | — |
| kJ | 16 | 72 | 97 | 107 | 153 | 220 | 261 | 307 | 209 | 205 | 217 | 205 | 498 | 609 | 594 | 581 | 626 | 660 | 621 | 517 | 541 | 679 | 440 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 605 | 597 | 597 | 605 | 595 | 595 | 595 | 595 | 63 | 63 | 59 | 60 | 60 | 595 | 595 | 595 | 595 | 595 | 59 | 60 | 60 | 595 | 595 | 664 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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