Surf Forecasts:
How big are the waves at Yona Bay today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 10s period with E swell.
- Evening surf: Evening surf (16 Sep, local time) - 2ft (0.6m), 14s period with ENE swell.
The current surf forecast for Yona Bay at 8AM is: 1.0m 10s primary swell from a East direction and 0.6m 6s secondary swell from a North-northwest direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 02:00am September 16). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (16 Sep) | 3ft (0.9m) | 10s |
| Evening (16 Sep) | 2ft (0.6m) | 14s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed morning. Warm (max 28°C on Fri afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | E 9 | E 9 | E 9 | ENE 12 | E 9 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 228 | 228 | 228 | 184 | 184 | 146 | 156 | 158 | 160 | 160 | 156 | 137 | 135 | 135 | 135 | 135 | 133 | 95 | 87 | 83 | 83 | 82 | 82 | 81 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 9:05PM1.97m | 9:52AM1.71m | 9:29PM1.90m | 10:32AM1.57m | 9:54PM1.80m | 11:25AM1.42m | ||||||||||||||||||
Low Tide | 3:37AM0.44m | 3:28PM0.86m | 4:14AM0.52m | 3:51PM1.00m | 4:56AM0.63m | 4:13PM1.14m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | |  | | | | | | | | | | |
 | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — |
mm | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 30 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 8 |
| kJ | 228 | 228 | 228 | 184 | 184 | 146 | 143 | 140 | 137 | 137 | 109 | 109 | 104 | 104 | 104 | 80 | 83 | 80 | 74 | 74 | 74 | 69 | 73 | 49 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | N 8 | N 7 | N 7 | N 7 | N 7 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 17 | 24 | 25 | 26 | 32 | 48 | 48 | 48 | 160 | 160 | 156 | 137 | 135 | 135 | 135 | 135 | 41 | 39 | 38 | 36 | 23 | 82 | 82 | 81 |
Swell 3 Height (m) Direction Period (s) | ENE 15 | ENE 15 | ENE 14 | E 14 | E 14 | ENE 14 | ENE 14 | ENE 14 | NNW 7 | NNW 7 | NNW 6 | N 6 | NNW 6 | NNW 6 | N 6 | N 8 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | N 7 | N 6 | N 6 |
| kJ | 23 | 45 | 67 | 97 | 94 | 145 | 156 | 158 | 35 | 34 | 33 | 22 | 13 | 12 | 12 | 43 | 133 | 95 | 87 | 83 | 83 | 22 | 20 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | — | — | NNW 7 | — | NE 3 | — | — | N 6 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | — | — | 16 | — | 3 | — | — | 1 | 2 | 2 | 3 | 2 | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 33 | 28 | 33 | 33 | 92 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 0 | 0 | 33 | 33 | 74 | 63 | 65 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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