Surf Forecasts:
How big are the waves at Yona Bay today (09 Sep):
- Afternoon surf: Afternoon surf (09 Sep, local time) - 4.5ft (1.4m), 8s period with N swell.
- Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 8s period with N swell.
The current surf forecast for Yona Bay at 11PM is: 1.1m 8s primary swell from a North direction and 0.8m 8s secondary swell from a North direction (forecast issued at 02:00pm September 09). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | - | - |
| Afternoon (09 Sep) | 4.5ft (1.4m) | 8s |
| Evening (09 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Thu afternoon, min 27°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | ||||||||||||||||||
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 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | NNW 8 | NNW 8 | N 8 | N 8 | ENE 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 287 | 253 | 213 | 149 | 135 | 120 | 258 | 320 | 339 | 339 | 300 | 287 | 240 | 194 | 154 | 120 | 112 | 82 | 58 | 73 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 6:31PM1.88m | 6:11AM2.01m | 6:59PM1.95m | 6:53AM2.08m | 7:25PM2.00m | |||||||||||||||
Low Tide | 12:03PM0.33m | 00:17AM0.78m | 12:40PM0.31m | 00:52AM0.61m | 1:14PM0.33m | |||||||||||||||
 | | |  |  | | | | |  | | | |  | | | |  | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — |
 | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 27 | 28 | 28 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 31 | 31 | 30 | 32 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | E 9 | ESE 9 | E 9 | N 8 | N 8 | N 8 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 |
| kJ | 41 | 28 | 25 | 149 | 135 | 120 | 258 | 320 | 339 | 339 | 300 | 287 | 240 | 194 | 154 | 120 | 112 | 82 | 58 | 43 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | E 9 | SE 9 | N 10 | E 9 | ESE 7 | ESE 7 | ESE 7 | ESE 9 | ESE 6 | ESE 6 | S 7 | ESE 9 | ESE 8 | SE 7 | ENE 15 | ENE 15 | ENE 15 |
| kJ | 10 | 10 | 10 | 25 | 22 | 31 | 25 | 9 | 9 | 9 | 31 | 14 | 14 | 10 | 58 | 84 | 56 | 43 | 43 | 73 |
Swell 3 Height (m) Direction Period (s) | SW 8 | E 7 | SE 10 | S 7 | S 7 | E 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 9 | SE 9 | ESE 9 | ENE 16 | S 7 | ENE 15 | ENE 15 | S 7 | S 7 | S 7 |
| kJ | 3 | 4 | 14 | 9 | 9 | 25 | 18 | 17 | 16 | 16 | 14 | 20 | 26 | 48 | 9 | 44 | 43 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | — | — | — | — | — | — | — | — | — | ESE 9 | SE 4 | — | — | SE 7 | SE 7 | SE 6 |
| kJ | 287 | 253 | 213 | 80 | — | — | — | — | — | — | — | — | — | 67 | 11 | — | — | 49 | 47 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 595 | 595 | 595 | 28 | 14 | 33 | 33 | 33 | 33 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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