Surf Forecasts:
How big are the waves at Yona Bay today (15 Sep):
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4ft (1.2m), 10s period with E swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 10s period with E swell.
The current surf forecast for Yona Bay at 8PM is: 1.2m 10s primary swell from a East direction and 0.5m 6s secondary swell from a North direction (forecast issued at 02:00pm September 15). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | 4ft (1.2m) | 10s |
| Evening (15 Sep) | 3.5ft (1.1m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 28°C on Fri morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | E 9 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 219 | 260 | 266 | 223 | 228 | 228 | 228 | 184 | 184 | 146 | 156 | 158 | 160 | 160 | 156 | 137 | 135 | 135 | 135 | 135 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:17AM1.86m | 9:05PM1.97m | 9:52AM1.71m | 9:29PM1.90m | 10:32AM1.57m | |||||||||||||||
Low Tide | 3:05PM0.73m | 3:37AM0.44m | 3:28PM0.86m | 4:14AM0.52m | 3:51PM1.00m | |||||||||||||||
 | | |  | |  | | | |  | | | | | | | |  | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — |
mm | 1 | 1 | 1 | 1 | 2 | — | 1 | 2 | 1 | — | 1 | — | 1 | 1 | — | 1 | 1 | — | 1 | 1 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 30 | 28 | 30 | 30 | 30 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 219 | 260 | 266 | 223 | 228 | 228 | 228 | 184 | 184 | 146 | 143 | 140 | 137 | 137 | 137 | 137 | 104 | 104 | 104 | 80 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | N 6 | NNW 6 | N 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
| kJ | 21 | 17 | 18 | 16 | 17 | 17 | 18 | 19 | 24 | 36 | 36 | 158 | 160 | 160 | 156 | 137 | 135 | 135 | 135 | 135 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | ENE 16 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 14 | E 14 | E 14 | ENE 14 | ENE 14 | SE 9 | SE 9 | SE 9 | N 6 | N 6 | NNW 6 | N 6 | N 7 | N 6 |
| kJ | 55 | 48 | 46 | 45 | 23 | 45 | 67 | 97 | 94 | 145 | 156 | 3 | 3 | 3 | 31 | 20 | 13 | 7 | 17 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | N 7 | N 7 | N 7 | — | — | — | N 6 | — | NE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 45 | 43 | 32 | — | — | — | 18 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 33 | 33 | 33 | 33 | 0 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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