Surf Forecasts:
How big are the waves at Yona Bay today (28 Aug):
- Afternoon surf: Afternoon surf (28 Aug, local time) - 2.5ft (0.8m), 9s period with W swell.
- Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 9s period with W swell.
The current surf forecast for Yona Bay at 7PM is: 0.7m 9s primary swell from a West direction (forecast issued at 02:00pm August 28). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | - | - |
| Afternoon (28 Aug) | 2.5ft (0.8m) | 9s |
| Evening (28 Aug) | 2ft (0.6m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun night. Warm (max 28°C on Fri afternoon, min 27°C on Fri night). Winds increasing (fresh winds from the ESE on Sat afternoon, near gales from the E by Mon morning). | ||||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||
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) | W 10 | W 9 | W 9 | W 9 | ENE 13 | E 13 | E 13 | E 13 | ENE 13 | E 13 | E 13 | ENE 12 | E 12 | ENE 12 | ENE 12 | E 7 | ENE 12 | ESE 9 | ESE 10 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 190 | 110 | 81 | 53 | 59 | 90 | 90 | 89 | 57 | 85 | 81 | 87 | 76 | 49 | 48 | 306 | 46 | 0 | 0 | 1346 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:40PM1.93m | 7:27AM2.02m | 8:03PM1.98m | 8:03AM2.05m | 8:28PM2.00m | |||||||||||||||
Low Tide | 1:20PM0.35m | 1:31AM0.70m | 1:49PM0.36m | 2:01AM0.59m | 2:19PM0.41m | |||||||||||||||
 | | |  | | | | | | | | |  | | | | | |  |  | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 28 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 9 | W 8 | W 10 | W 9 | SW 10 | SW 9 | SW 9 | S 7 | S 8 | S 8 | S 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 190 | 110 | 81 | 53 | 35 | 45 | 40 | 45 | 41 | 40 | 40 | 51 | 48 | 50 | 77 | 84 | 82 | 62 | 45 | 44 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 8 | SW 9 | ENE 13 | E 13 | E 13 | E 13 | ENE 13 | S 7 | E 13 | ENE 12 | E 12 | ENE 12 | ENE 12 | W 6 | ENE 12 | — | — | SW 9 |
| kJ | 27 | 25 | 25 | 19 | 59 | 90 | 90 | 89 | 57 | 26 | 81 | 87 | 76 | 49 | 48 | 1 | 46 | — | — | 20 |
Swell 3 Height (m) Direction Period (s) | ENE 12 | S 8 | S 8 | S 8 | SW 9 | SW 9 | SW 9 | W 8 | W 8 | E 13 | SW 9 | SW 9 | SW 9 | SW 9 | W 7 | — | W 6 | — | — | — |
| kJ | 27 | 10 | 10 | 10 | 19 | 28 | 30 | 35 | 21 | 85 | 27 | 28 | 28 | 19 | 1 | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | ESE 8 | ESE 9 | ESE 10 | E 10 |
| kJ | 323 | 290 | 306 | 335 | 407 | 489 | 405 | 340 | 264 | 223 | 191 | 181 | 195 | 192 | 225 | 306 | 427 | 773 | 1086 | 1346 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 664 | 937 | 889 | 628 | 628 | 628 | 628 | 628 | 664 | 664 | 664 | 628 | 66 | 595 | 595 | 595 | 935 | 856 | 856 | 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