Surf Forecasts:
How big are the waves at Yona Bay today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 6.5ft (2.0m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 4ft (1.2m), 9s period with WNW swell.
- Evening surf: Evening surf (26 Aug, local time) - 6ft (1.9m), 9s period with W swell.
The current surf forecast for Yona Bay at 5AM is: 2.0m 9s primary swell from a Northwest direction and 1.4m 11s secondary swell from a East direction (forecast issued at 02:00am August 26). An open ocean swell of 3.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 6.5ft (2.0m) | 9s |
| Afternoon (26 Aug) | 4ft (1.2m) | 9s |
| Evening (26 Aug) | 6ft (1.9m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Wed morning. Warm (max 29°C on Wed afternoon, min 27°C on Wed morning). Winds decreasing (near gales from the SSW on Wed morning, light winds from the S by Thu morning). | ||||||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | N 10 | W 8 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2738 | 2803 | 612 | 563 | 397 | 211 | 422 | 627 | 710 | 640 | 776 | 673 | 610 | 569 | 592 | 541 | 467 | 408 | 353 | 239 | 186 | 139 | 76 | 69 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 5:37AM1.75m | 6:58PM1.81m | 6:16AM1.86m | 7:19PM1.88m | 6:51AM1.95m | 7:40PM1.93m | ||||||||||||||||||
Low Tide | 00:10AM1.10m | 12:21PM0.44m | 00:37AM0.97m | 12:51PM0.38m | 1:03AM0.83m | 1:20PM0.35m | ||||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | |  | | | |  | |
 | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
mm | 5 | 2 | 3 | 3 | 2 | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 19 | 21 | 22 | 23 | 24 | 26 | 28 | 27 | 29 | 30 | 28 | 31 | 30 | 31 | 30 | 29 | 28 | 27 | 29 | 29 | 30 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | N 10 | NNE 10 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 |
| kJ | 2738 | 529 | 612 | 563 | 397 | 211 | 422 | 627 | 710 | 640 | 776 | 673 | 610 | 569 | 592 | 541 | 467 | 408 | 353 | 239 | 186 | 139 | 76 | 69 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | E 11 | E 10 | E 10 | E 9 | W 8 | E 8 | E 8 | E 8 | ESE 8 | E 8 | E 7 | E 13 | ENE 12 | SE 8 | ENE 12 | ENE 12 | ENE 12 | SW 10 | SW 9 | SW 9 | SW 8 | SW 9 | SW 9 |
| kJ | 1240 | 632 | 352 | 237 | 140 | 156 | 71 | 84 | 61 | 77 | 55 | 52 | 84 | 51 | 34 | 49 | 48 | 47 | 32 | 41 | 38 | 35 | 40 | 41 |
Swell 3 Height (m) Direction Period (s) | E 12 | N 10 | NNE 9 | NNE 9 | E 14 | E 9 | ENE 14 | ENE 13 | E 13 | E 13 | E 13 | E 13 | SE 9 | SE 8 | ENE 12 | SW 8 | SW 8 | SW 9 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | S 7 | ENE 11 |
| kJ | 279 | 154 | 138 | 26 | 37 | 103 | 61 | 35 | 89 | 87 | 86 | 85 | 27 | 25 | 50 | 16 | 15 | 21 | 47 | 46 | 46 | 46 | 17 | 25 |
Wind waves Height (m) Direction Period (s) | WNW 8 | W 8 | SW 8 | SW 8 | SSW 8 | SSW 7 | SSW 7 | S 6 | S 6 | S 6 | S 8 | S 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 |
| kJ | 1418 | 2803 | 1424 | 1035 | 1048 | 778 | 395 | 236 | 144 | 74 | 12 | 12 | 86 | 96 | 114 | 150 | 255 | 240 | 231 | 194 | 157 | 144 | 162 | 187 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 664 | 664 | 664 | 664 | 664 | 655 | 664 | 664 | 655 | 655 | 655 | 664 | 664 | 664 | 655 | 0 | 0 | 628 | 80 | 628 | 628 | 628 | 655 | 66 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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