Surf Forecasts:
How big are the waves at Yona Bay today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 3ft (0.9m), 12s period with ENE swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 3ft (0.9m), 12s period with ENE swell.
- Evening surf: Evening surf (11 Aug, local time) - 3ft (0.9m), 12s period with ENE swell.
The current surf forecast for Yona Bay at 2PM is: 0.9m 12s primary swell from a East-northeast direction and 1.0m 6s secondary swell from a East direction (forecast issued at 08:00am August 11). An open ocean swell of 1.1m 10s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 3ft (0.9m) | 12s |
| Afternoon (11 Aug) | 3ft (0.9m) | 12s |
| Evening (11 Aug) | 3ft (0.9m) | 12s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue morning. Warm (max 28°C on Tue morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 299 | 240 | 240 | 254 | 254 | 250 | 193 | 183 | 176 | 135 | 133 | 130 | 83 | 77 | 77 | 116 | 114 | 114 | 85 | 92 | 99 | 60 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross | on | glassy | glassy | cross-on | glassy | glassy | glassy | on | cross-on | cross-on | cross-on |
High Tide | 5:22AM1.93m | 6:59PM1.87m | 6:14AM2.04m | 7:31PM1.94m | 7:00AM2.11m | 8:00PM1.99m | ||||||||||||||||
Low Tide | 12:18PM0.23m | 00:30AM0.96m | 12:59PM0.17m | 1:09AM0.81m | 1:37PM0.17m | |||||||||||||||||
 | | | | |  |  | | | | | | |  | | |  |  | | | | | |
 | 5:56 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — |
mm | 2 | 5 | 2 | 1 | 2 | 1 | — | 1 | 2 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | 1 | 3 | 2 |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 30 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 31 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 204 | 200 | 194 | 211 | 257 | 257 | 251 | 202 | 162 | 164 | 129 | 126 | 116 | 115 | 115 | 116 | 113 | 120 | 68 | 66 | 66 | 49 |
Swell 2 Height (m) Direction Period (s) | E 12 | ENE 12 | E 6 | E 6 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 |
| kJ | 299 | 240 | 73 | 73 | 254 | 250 | 193 | 183 | 176 | 135 | 133 | 130 | 83 | 77 | 77 | 116 | 114 | 114 | 85 | 92 | 99 | 60 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 10 | ENE 12 | ENE 12 | SW 10 | SW 10 | WSW 10 | SW 9 | E 6 | ESE 6 | ESE 6 | SW 9 | ESE 6 | ENE 12 | N 9 | N 8 | N 8 | N 8 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 214 | 157 | 240 | 254 | 26 | 46 | 36 | 43 | 26 | 20 | 11 | 27 | 12 | 56 | 37 | 33 | 29 | 28 | 35 | 35 | 24 | 25 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | — | E 6 | ESE 6 | ESE 6 | ESE 6 | — | — | SW 3 | — | — | — | ESE 6 | — | E 5 | ENE 2 | ENE 5 | — | — | NW 7 |
| kJ | 59 | 61 | 116 | — | 71 | 74 | 48 | 39 | — | — | 2 | — | — | — | 10 | — | 7 | 1 | 5 | — | — | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 0 | 12 | 0 | 0 | 0 | 14 | 78 | 14 | 74 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Yona Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest