Surf Forecasts:
How big are the waves at Yona Bay today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.1m), 7s period with E swell.
- Evening surf: Evening surf (13 Sep, local time) - 3.5ft (1.1m), 8s period with E swell.
The current surf forecast for Yona Bay at 11AM is: 0.5m 14s primary swell from a East direction (forecast issued at 02:00am September 13). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.5m) | 14s |
| Afternoon (13 Sep) | 3.5ft (1.1m) | 7s |
| Evening (13 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Mon night. Warm (max 28°C on Sun morning, min 27°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||||||
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) | E 14 | E 14 | E 14 | E 14 | E 14 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 103 | 103 | 100 | 97 | 101 | 131 | 138 | 153 | 157 | 161 | 169 | 177 | 181 | 181 | 186 | 181 | 185 | 189 | 194 | 202 | 220 | 219 | 214 | 219 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off |
High Tide | 8:07AM2.06m | 8:15PM2.04m | 8:42AM1.97m | 8:40PM2.02m | 9:17AM1.86m | |||||||||||||||||||
Low Tide | 1:58AM0.40m | 2:13PM0.49m | 2:31AM0.37m | 2:40PM0.60m | 3:04AM0.38m | 3:05PM0.73m | ||||||||||||||||||
 | | |  |  | |  |  | |  |  | | | | | | | | | | | | | | |
 | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — |
mm | — | — | — | — | — | — | 2 | 1 | 1 | — | — | 1 | — | — | 1 | 4 | 1 | — | 1 | 1 | 2 | 1 | — | — |
Temp °C | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 29 | 28 | 30 | 29 | 30 | 28 | 30 | 29 | 30 | 29 | 31 | 31 | 30 | 31 | 31 | 29 | 30 | 31 | 30 | 31 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 |
| kJ | 103 | 103 | 100 | 97 | 101 | 101 | 94 | 92 | 130 | 161 | 169 | 177 | 181 | 181 | 186 | 181 | 185 | 189 | 194 | 202 | 220 | 219 | 214 | 219 |
Swell 2 Height (m) Direction Period (s) | N 6 | NNW 6 | NNW 6 | ESE 9 | ESE 9 | N 6 | N 6 | N 6 | N 5 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | ENE 13 | ENE 13 | NNW 6 | NNW 6 |
| kJ | 20 | 12 | 12 | 28 | 26 | 6 | 2 | 9 | 5 | 130 | 90 | 89 | 87 | 87 | 87 | 87 | 87 | 84 | 80 | 77 | 56 | 53 | 6 | 10 |
Swell 3 Height (m) Direction Period (s) | S 7 | ESE 10 | ESE 9 | NNW 6 | NNW 6 | S 6 | S 6 | S 6 | S 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | — | — | NNW 6 | NNW 6 | NNW 6 | NNW 6 | ENE 15 | ENE 15 |
| kJ | 8 | 18 | 29 | 11 | 7 | 3 | 3 | 3 | 3 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | — | — | 4 | 4 | 7 | 11 | 46 | 45 |
Wind waves Height (m) Direction Period (s) | E 6 | ESE 5 | ESE 5 | ESE 5 | E 6 | E 7 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 22 | 26 | 36 | 39 | 54 | 131 | 138 | 153 | 157 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 595 | 35 | 35 | 35 | 0 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 33 | 33 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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