Surf Forecasts:
How big are the waves at Yona Bay today (27 Aug):
- Afternoon surf: Afternoon surf (27 Aug, local time) - 6.5ft (2.0m), 10s period with W swell.
- Evening surf: Evening surf (27 Aug, local time) - 5.5ft (1.7m), 11s period with W swell.
The current surf forecast for Yona Bay at 7PM is: 1.8m 11s primary swell from a West direction and 0.5m 12s secondary swell from a East direction (forecast issued at 02:00pm August 27). An open ocean swell of 1.1m 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 (27 Aug) | - | - |
| Afternoon (27 Aug) | 6.5ft (2.0m) | 10s |
| Evening (27 Aug) | 5.5ft (1.7m) | 11s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 29°C on Thu afternoon, min 27°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | ||||||||||||||||||
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 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 10 | E 13 | E 13 | E 13 | ENE 13 | E 13 | E 13 | ENE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 989 | 840 | 804 | 657 | 468 | 400 | 346 | 245 | 190 | 148 | 110 | 92 | 66 | 90 | 90 | 89 | 57 | 85 | 81 | 87 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 7:19PM1.88m | 6:51AM1.95m | 7:40PM1.93m | 7:27AM2.02m | 8:03PM1.98m | |||||||||||||||
Low Tide | 12:51PM0.38m | 1:03AM0.83m | 1:20PM0.35m | 1:31AM0.70m | 1:49PM0.36m | |||||||||||||||
 | |  |  |  | | | |  | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | — | — | 1 | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 27 |
Feels °C | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 31 | 29 | 29 | 28 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 10 | W 10 | W 10 | W 9 | SW 9 | E 13 | E 13 | ENE 12 |
| kJ | 989 | 840 | 804 | 657 | 468 | 400 | 346 | 245 | 190 | 148 | 110 | 92 | 66 | 65 | 65 | 38 | 41 | 85 | 81 | 87 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 8 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SW 9 | SW 9 | SW 8 | SW 8 | SW 9 | SW 9 | E 13 | E 13 | SW 9 | ENE 13 | SW 9 | SW 9 | SW 9 |
| kJ | 55 | 58 | 76 | 49 | 48 | 47 | 47 | 28 | 27 | 25 | 25 | 26 | 27 | 90 | 90 | 42 | 57 | 40 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | SE 9 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 13 | SW 9 | SW 10 | E 13 | W 8 | W 8 | W 8 | S 8 |
| kJ | 55 | 38 | 21 | 21 | 20 | 20 | 20 | 46 | 46 | 27 | 26 | 25 | 59 | 29 | 44 | 89 | 22 | 20 | 10 | 18 |
Wind waves Height (m) Direction Period (s) | S 8 | S 4 | SE 8 | SE 8 | SE 7 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 |
| kJ | 11 | 21 | 151 | 160 | 209 | 206 | 183 | 189 | 178 | 204 | 183 | 199 | 261 | 277 | 276 | 301 | 281 | 248 | 216 | 170 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 655 | 674 | 35 | 35 | 80 | 628 | 66 | 628 | 655 | 794 | 889 | 628 | 628 | 628 | 628 | 628 | 889 | 889 | 66 | 66 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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