Surf Forecasts:
How big are the waves at Yona Bay today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Evening surf: Evening surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
The current surf forecast for Yona Bay at 8AM is: 0.4m 14s primary swell from a East-northeast direction and 0.6m 7s secondary swell from a North direction (forecast issued at 02:00am September 12). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1.5ft (0.5m) | 14s |
| Afternoon (12 Sep) | 1.5ft (0.5m) | 14s |
| Evening (12 Sep) | 1.5ft (0.5m) | 14s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun afternoon. Warm (max 28°C on Sat morning, min 27°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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) | ENE 14 | ENE 14 | ENE 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 64 | 64 | 101 | 103 | 103 | 101 | 101 | 103 | 103 | 100 | 97 | 101 | 101 | 163 | 212 | 153 | 161 | 169 | 173 | 181 | 181 | 181 | 181 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | 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 |
High Tide | 7:31AM2.09m | 7:50PM2.03m | 8:07AM2.06m | 8:15PM2.04m | 8:42AM1.97m | 8:40PM2.02m | ||||||||||||||||||
Low Tide | 1:26AM0.48m | 1:45PM0.39m | 1:58AM0.40m | 2:13PM0.49m | 2:31AM0.37m | 2:40PM0.60m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | |  | | | | | | | | | | |
 | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 30 | 31 | 30 | 30 | 31 | 31 | 31 | 29 | 29 | 29 | 29 | 28 | 30 | 30 | 28 | 29 | 29 | 30 | 30 | 29 | 31 | 30 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | SE 6 | SE 6 | SE 6 | N 7 | N 7 | N 6 | E 14 | E 14 | E 14 | E 14 | E 14 | ESE 7 | E 14 | E 8 | E 13 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 |
| kJ | 40 | 38 | 43 | 29 | 26 | 34 | 22 | 20 | 103 | 103 | 100 | 97 | 101 | 94 | 94 | 142 | 130 | 161 | 169 | 173 | 181 | 181 | 181 | 181 |
Swell 2 Height (m) Direction Period (s) | ENE 14 | ENE 14 | N 7 | N 7 | N 7 | ESE 6 | E 14 | E 14 | N 6 | NNW 6 | NNW 6 | ESE 9 | ESE 9 | E 14 | N 5 | E 13 | N 5 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 64 | 64 | 36 | 36 | 35 | 21 | 101 | 101 | 20 | 12 | 12 | 28 | 27 | 101 | 5 | 92 | 5 | 93 | 90 | 89 | 87 | 87 | 87 | 87 |
Swell 3 Height (m) Direction Period (s) | S 7 | E 9 | ENE 14 | E 14 | E 14 | E 14 | S 6 | S 7 | S 7 | ESE 10 | ESE 9 | NNW 6 | N 6 | S 6 | S 6 | N 5 | S 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | — |
| kJ | 8 | 7 | 64 | 101 | 103 | 103 | 13 | 8 | 8 | 18 | 29 | 11 | 6 | 3 | 3 | 9 | 3 | 5 | 5 | 5 | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | — | — | ESE 6 | — | ESE 6 | ESE 6 | E 6 | ESE 5 | ESE 5 | E 6 | E 6 | NNE 4 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — |
| kJ | 39 | 45 | — | — | 28 | — | 18 | 24 | 22 | 27 | 36 | 49 | 54 | 8 | 163 | 212 | 153 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 54 | 60 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 595 | 65 | 595 | 35 | 0 | 35 | 0 | 35 | 0 | 35 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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