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Surf Forecasts:
Yona Bay surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Friday 29 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), 6s 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 5AM is: 0.4m 10s primary swell from a Northeast direction and 0.5m 6s secondary swell from a North-northwest direction (forecast issued at 02:00am May 29). 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) | 6s |
| 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 ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sun night, min 23°C on Fri night). Winds increasing (light winds from the NE on Sat afternoon, strong winds from the E by Sun night). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 7 | NNW 6 | NE 10 | NE 10 | NE 10 | NNW 6 | NNW 5 | N 5 | N 5 | E 10 | E 10 | E 10 | N 6 | E 10 | N 6 | E 10 | E 10 | E 10 | E 10 | E 10 | NE 11 | E 11 | SSE 15 | SSE 15 | |
26 | 17 | 24 | 24 | 25 | 24 | 23 | 27 | 20 | 67 | 67 | 67 | 38 | 47 | 27 | 44 | 50 | 73 | 76 | 78 | 5 | 83 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:17AM1.76m | 6:37PM1.62m | 5:46AM1.79m | 7:12PM1.63m | 6:14AM1.81m | 7:45PM1.64m | ||||||||||||||||||
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 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — |
— | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 |
29 | 28 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 23 | 23 | 24 | 24 | 24 | 23 | 25 | 25 | 24 | |
Swell 1 Height (m) Direction Period (s) | W 7 | NNW 6 | NNW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | N 5 | N 6 | N 6 | N 6 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 14 | SSE 15 | SE 15 | SSE 15 | SSE 15 |
 kJ | 26 | 17 | 18 | 38 | 38 | 38 | 38 | 56 | 55 | 67 | 20 | 23 | 38 | 28 | 395 | 711 | 947 | 1116 | 1200 | 1672 | 2997 | 4526 | 4451 | 5515 |
Swell 2 Height (m) Direction Period (s) | NNW 5 | ESE 10 | ESE 10 | NE 10 | NE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | NE 11 | E 10 | E 10 | E 10 | E 10 | N 6 | N 6 | E 10 | E 10 | SSE 18 | E 10 | NE 11 | NNW 5 | — | — |
| kJ | 10 | 31 | 32 | 24 | 23 | 17 | 16 | 15 | 7 | 4 | 67 | 67 | 46 | 47 | 27 | 25 | 50 | 73 | 270 | 78 | 5 | 10 | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | W 7 | NE 10 | W 7 | W 6 | SSW 6 | SSW 6 | SW 6 | ENE 10 | SW 6 | NE 11 | SSE 9 | SE 9 | SE 15 | E 10 | E 10 | ENE 12 | NNW 6 | E 10 | NNW 6 | — | — | — | — |
| kJ | 32 | 15 | 24 | 8 | 7 | 4 | 4 | 1 | 10 | 1 | 4 | 8 | 13 | 77 | 50 | 44 | 13 | 11 | 76 | 10 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 6 | — | NNW 6 | NNW 6 | NNW 6 | NNW 5 | N 5 | N 5 | N 5 | — | — | N 6 | NNE 6 | NNE 6 | N 6 | N 6 | ENE 3 | ENE 4 | ENE 4 | ENE 4 | E 11 | ENE 5 | ENE 6 |
| kJ | — | 6 | — | 18 | 25 | 24 | 23 | 27 | 20 | 20 | — | — | 18 | 14 | 12 | 18 | 24 | 6 | 11 | 16 | 55 | 83 | 85 | 126 |
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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