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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Thursday 28 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
24.5° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Yona Bay today (29 May):
- Morning surf: Morning surf (29 May, local time) - 1.5ft (0.4m), 10s period with NE swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 5s period with NNW swell.
- Evening surf: Evening surf (29 May, local time) - 2.5ft (0.7m), 5s period with N swell.
The current surf forecast for Yona Bay at 2AM is: 0.5m 6s primary swell from a North-northwest direction (forecast issued at 08:00pm May 28). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 1.5ft (0.4m) | 10s |
| Afternoon (29 May) | 2ft (0.6m) | 5s |
| Evening (29 May) | 2.5ft (0.7m) | 5s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu night, min 23°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the ENE by Sun afternoon). | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sunday 31 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
W 8 | ENE 10 | W 7 | NNW 6 | NE 10 | NE 10 | NE 10 | NNW 5 | NNW 5 | N 5 | N 5 | E 10 | E 10 | E 10 | N 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | |
43 | 38 | 26 | 17 | 24 | 24 | 24 | 23 | 21 | 27 | 20 | 67 | 67 | 68 | 35 | 47 | 71 | 48 | 69 | 73 | 76 | 78 | 52 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:56PM1.58m | 5:17AM1.76m | 6:37PM1.62m | 5:46AM1.79m | 7:12PM1.63m | 6:14AM1.81m | ||||||||||||||||||
Low Tide | 11:26PM0.86m | 12:04PM0.30m | 00:00AM0.90m | 12:36PM0.24m | 00:31AM0.93m | 1:06PM0.20m | ||||||||||||||||||
 |  |  |  |  | | | |  | | | | | | | | | | | | | | | | |
 | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — |
 | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | 7:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 |
28 | 29 | 30 | 27 | 26 | 26 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 23 | 23 | 22 | 22 | 23 | 23 | 25 | |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 7 | NNW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | N 6 | N 6 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 14 | SE 15 | SE 15 |
 kJ | 43 | 28 | 26 | 17 | 32 | 38 | 38 | 38 | 38 | 56 | 55 | 67 | 67 | 68 | 35 | 36 | 261 | 495 | 834 | 991 | 1200 | 1664 | 2246 | 2773 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | ENE 10 | NNW 5 | ESE 10 | NE 10 | NE 10 | NE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | NE 11 | NE 11 | SSE 9 | E 10 | E 10 | N 6 | N 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 9 | 38 | 10 | 31 | 24 | 24 | 23 | 17 | 16 | 15 | 7 | 4 | 4 | 8 | 46 | 47 | 27 | 25 | 69 | 73 | 76 | 78 | 52 | 76 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ESE 10 | ESE 10 | W 7 | W 7 | W 7 | W 6 | SSW 6 | SSW 6 | SW 6 | ENE 10 | SW 6 | SE 10 | NE 10 | SE 9 | SE 14 | E 10 | E 10 | NE 12 | ENE 12 | N 6 | N 6 | N 6 | N 6 |
| kJ | 39 | 31 | 32 | 15 | 15 | 8 | 7 | 4 | 4 | 1 | 10 | 1 | 4 | 4 | 13 | 72 | 71 | 48 | 21 | 13 | 18 | 17 | 17 | 16 |
Wind waves Height (m) Direction Period (s) | — | NNW 4 | — | — | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | N 5 | N 5 | N 5 | N 5 | N 6 | NE 3 | — | NNE 6 | N 6 | N 6 | N 6 | ENE 3 | ENE 4 | ENE 4 | ENE 5 |
| kJ | — | 2 | — | — | 18 | 18 | 24 | 23 | 21 | 27 | 20 | 20 | 28 | 31 | 2 | — | 12 | 18 | 25 | 25 | 7 | 15 | 31 | 45 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 605 | 597 | 597 | 74 | 597 | 595 | 595 | 88 | 64 | 64 | 0 | 64 | 64 | 64 | 64 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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