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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 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 7PM is: 0.9m 4s primary swell from a North-northeast direction (forecast issued at 02:00pm May 08). An open ocean swell of 0.9m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | - | - |
| Afternoon (08 May) | 0.5ft (0.1m) | 7s |
| Evening (08 May) | 4.5ft (1.3m) | 5s |
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 night. Warm (max 23°C on Fri afternoon, min 16°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | NE 7 | NNE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 7 | N 7 | E 7 | E 7 | E 8 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | N 6 | N 5 | N 5 | |
0 | 2 | 15 | 83 | 143 | 187 | 223 | 275 | 295 | 352 | 86 | 206 | 302 | 323 | 476 | 529 | 568 | 555 | 525 | 498 | 445 | 2 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | 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 | |
High Tide | 9:39AM1.52m | 00:13AM1.37m | 10:39AM1.40m | 1:38AM1.39m | 12:25PM1.31m | 2:47AM1.45m | ||||||||||||||||||
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 | 3 | 3 | 5 | 5 | 5 | 8 | 5 | 3 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 22 | 20 | 20 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 20 | 21 | 21 | 22 | 22 | 22 |
25 | 23 | 20 | 16 | 16 | 13 | 11 | 11 | 10 | 11 | 10 | 15 | 15 | 16 | 14 | 13 | 13 | 15 | 16 | 18 | 19 | 21 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | N 6 | SE 12 | E 9 | E 9 | E 9 |
 kJ | 146 | 149 | 149 | 153 | 153 | 163 | 140 | 143 | 143 | 143 | 86 | 64 | 45 | 33 | 30 | 19 | 12 | 7 | 7 | 6 | 25 | 412 | 363 | 380 |
Swell 2 Height (m) Direction Period (s) | — | NE 7 | — | — | — | — | — | — | NNW 7 | — | N 7 | ESE 10 | — | — | — | — | S 15 | S 15 | SE 14 | SSE 13 | N 6 | SE 12 | SE 12 | SE 12 |
| kJ | — | 2 | — | — | — | — | — | — | 36 | — | 39 | 102 | — | — | — | — | 4 | 4 | 7 | 17 | 2 | 23 | 37 | 35 |
Swell 3 Height (m) Direction Period (s) | — | NE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 6 | N 6 | N 5 | N 5 |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 7 | ENE 6 | E 7 | E 7 | E 8 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | — | — | — |
| kJ | — | — | 15 | 83 | 143 | 187 | 223 | 275 | 295 | 352 | 208 | 206 | 302 | 323 | 476 | 529 | 568 | 555 | 525 | 498 | 445 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 74 | 605 | 597 | 597 | 605 | 595 | 595 | 595 | 937 | 690 | 595 | 65 | 60 | 63 | 595 | 595 | 595 | 595 | 595 | 63 | 59 | 60 | 66 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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