Surf Forecasts:
How big are the waves at Yona Bay today (19 Aug):
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6ft (1.9m), 7s period with E swell.
The current surf forecast for Yona Bay at 6PM is: 1.9m 7s primary swell from a East direction (forecast issued at 02:00pm August 19). An open ocean swell of 0.3m 8s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | - | - |
| Afternoon (19 Aug) | 6ft (1.9m) | 7s |
| Evening (19 Aug) | - | - |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Wed night. Warm (max 28°C on Wed afternoon, min 27°C on Wed night). Winds increasing (moderate winds from the SE on Wed night, strong winds from the ESE by Fri night). | ||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||||
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 7 | E 7 | E 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ENE 8 | ENE 9 | S 9 | S 9 | E 6 | ESE 8 | SE 8 | ESE 8 | ESE 7 | ESE 8 | SE 8 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 263 | 331 | 355 | 0 | 0 | 0 | 0 | 14 | 15 | 0 | 0 | 284 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 11:05AM1.58m | 10:52PM1.81m | 12:05PM1.41m | 11:25PM1.71m | 2:08PM1.31m | |||||||||||||||
Low Tide | 4:38PM0.95m | 5:49AM0.73m | 5:04PM1.11m | 7:00AM0.80m | 5:33PM1.26m | |||||||||||||||
 | | |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — |
mm | 2 | 1 | 1 | 1 | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 28 | 29 | 29 | 29 | 30 | 28 | 30 | 29 | 30 | 27 | 26 | 24 | 25 | 26 | 24 | 24 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 9 | S 8 | S 8 | S 10 | S 10 | S 9 | S 9 | S 9 | SW 9 | SW 9 | S 9 | SSW 9 | SSW 8 | SW 9 | SW 8 | SW 9 |
| kJ | 5 | 11 | 11 | 10 | 13 | 22 | 10 | 94 | 118 | 235 | 185 | 162 | 3 | 3 | 125 | 126 | 96 | 84 | 86 | 39 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 10 | ENE 8 | ENE 9 | SW 9 | ESE 10 | SW 9 | — | — | SW 9 | SW 8 | ESE 10 | — | — | — |
| kJ | 7 | 3 | 3 | 3 | 3 | 3 | 18 | 14 | 15 | 3 | 10 | 3 | — | — | 3 | 57 | 90 | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | — | — | — | S 8 | SW 8 | SW 8 | SW 9 | — | SW 9 | — | — | — | — | — | SW 8 | — | — | — |
| kJ | 10 | — | — | — | — | 1 | 3 | 3 | 3 | — | 3 | — | — | — | — | — | 42 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 6 | E 6 | ESE 8 | SE 8 | ESE 8 | ESE 7 | ESE 8 | SE 8 | SE 10 | SE 10 |
| kJ | 263 | 331 | 355 | 435 | 438 | 445 | 454 | 314 | 257 | 175 | 194 | 284 | 998 | 1109 | 649 | 518 | 468 | 1505 | 3171 | 3171 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 856 | 856 | 595 | 595 | 66 | 66 | 66 | 66 | 655 | 66 | 66 | 595 | 595 | 595 | 595 | 66 | 595 | 595 | 595 | 595 |
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)
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