Surf Forecasts:
How big are the waves at Yona Bay today (08 Aug):
- Morning surf: Morning surf (08 Aug, local time) - 4.5ft (1.3m), 11s period with ENE swell.
- Afternoon surf: Afternoon surf (08 Aug, local time) - 4ft (1.2m), 10s period with ENE swell.
- Evening surf: Evening surf (08 Aug, local time) - 3ft (0.9m), 10s period with ENE swell.
The current surf forecast for Yona Bay at 2AM is: 1.1m 12s primary swell from a East-northeast direction and 0.9m 10s secondary swell from a North direction (forecast issued at 08:00pm August 07). An open ocean swell of 6.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | 4.5ft (1.3m) | 11s |
| Afternoon (08 Aug) | 4ft (1.2m) | 10s |
| Evening (08 Aug) | 3ft (0.9m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 150mm), heaviest during Fri night. Warm (max 29°C on Sat night, min 28°C on Fri night). Winds decreasing (severe gales from the SSE on Fri night, fresh winds from the SSE by Mon afternoon). | ||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | ||||||||||||||||
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) | NNW 10 | ENE 12 | ENE 11 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | E 10 | ENE 10 | ENE 10 | E 9 | ENE 9 | W 13 | W 13 | W 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 1050 | 298 | 408 | 349 | 290 | 373 | 359 | 331 | 255 | 169 | 231 | 157 | 154 | 180 | 141 | 2806 | 2328 | 1892 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off |
High Tide | 1:20AM1.72m | 4:34PM1.53m | 2:55AM1.73m | 5:41PM1.66m | ||||||||||||||
Low Tide | 7:13PM1.22m | 9:07AM0.59m | 9:12PM1.29m | 10:28AM0.47m | ||||||||||||||
 |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — |
mm | 10 | 32 | 21 | 19 | 12 | 19 | 6 | 5 | 4 | 3 | 3 | 4 | 2 | 2 | 2 | 3 | 3 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 29 |
Feels °C | 26 | 22 | 19 | 20 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 23 | 26 | 26 | 25 | 25 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | ENE 12 | ENE 11 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | W 13 | W 13 | W 13 |
| kJ | 1050 | 298 | 408 | 349 | 290 | 373 | 359 | 331 | 255 | 169 | 1631 | 1613 | 1743 | 2190 | 2801 | 2806 | 2328 | 1892 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | N 10 | N 10 | ENE 16 | — | — | ENE 15 | ENE 15 | ENE 15 | ENE 15 | E 10 | ENE 10 | ENE 10 | E 9 | ENE 9 | ENE 9 | ENE 14 | E 14 |
| kJ | 437 | 188 | 154 | 25 | — | — | 43 | 43 | 21 | 21 | 231 | 157 | 154 | 180 | 141 | 138 | 346 | 405 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | NW 9 | N 10 | — | — | — | — | — | — | — | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | E 14 | — |
| kJ | 13 | 81 | 7 | — | — | — | — | — | — | — | 21 | 21 | 21 | 42 | 41 | 70 | 203 | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | S 8 | SSE 10 | S 11 | S 11 | S 11 | S 11 | S 12 | S 12 | S 11 | S 11 | S 10 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 316 | 3118 | 5821 | 10596 | 11280 | 9425 | 9905 | 10873 | 12242 | 11123 | 6726 | 4826 | 3889 | 2810 | 1976 | 1970 | 2135 | 1936 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 794 | 794 | 794 | 794 | 794 | 794 | 804 | 927 | 794 | 794 | 690 | 679 | 679 | 679 | 679 | 679 | 677 | 679 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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