Surf Forecasts:
How big are the waves at Yona Bay today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 0.5ft (0.2m), 7s period with NNW swell.
- Evening surf: Evening surf (21 Oct, local time) - 1.5ft (0.4m), 6s period with NW swell.
The current surf forecast for Yona Bay at 2AM is: 0.9m 10s primary swell from a East-northeast direction (forecast issued at 08:00pm October 20). An open ocean swell of 2.4m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 0.5ft (0.2m) | 7s |
| Afternoon (21 Oct) | - | - |
| Evening (21 Oct) | 1.5ft (0.4m) | 6s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Wed night. Warm (max 28°C on Fri morning, min 24°C on Wed night). Winds increasing (light winds from the ENE on Tue night, near gales from the NE by Wed night). | ||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||
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 10 | ENE 9 | ENE 9 | ENE 10 | ENE 9 | NNW 7 | SE 17 | SE 16 | ENE 10 | NW 6 | NE 6 | NE 6 | NNE 7 | NNE 8 | NNE 8 | E 8 | N 8 | N 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 123 | 227 | 141 | 160 | 225 | 4 | 0 | 0 | 246 | 8 | 233 | 427 | 704 | 1056 | 1181 | 601 | 364 | 340 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off |
High Tide | 3:47PM1.48m | 2:39AM1.36m | 4:24PM1.58m | 4:02AM1.48m | 4:53PM1.67m | |||||||||||||
Low Tide | 9:38PM1.13m | 9:26AM0.70m | 10:26PM0.95m | 10:22AM0.64m | ||||||||||||||
 | |  | | |  | |  |  |  | | |  |  | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 4 | 6 | 6 | 4 | 5 | 3 | 1 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 24 | 23 | 22 | 19 | 19 | 21 | 25 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 15 | SE 14 | SE 15 | ESE 16 | ESE 16 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SSE 16 | SSE 16 | SSE 16 | SE 16 | SE 16 |
| kJ | 1045 | 2258 | 2185 | 2684 | 4422 | 4646 | 6860 | 6903 | 6882 | 8820 | 8559 | 10107 | 10400 | 9161 | 9185 | 8947 | 11818 | 11798 |
Swell 2 Height (m) Direction Period (s) | SE 16 | ENE 10 | ENE 9 | ENE 10 | NNW 7 | SE 20 | — | — | — | — | — | — | — | — | — | N 8 | N 8 | N 9 |
| kJ | 767 | 132 | 141 | 160 | 5 | 1391 | — | — | — | — | — | — | — | — | — | 450 | 364 | 340 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | — | NNW 8 | NNW 7 | — | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 123 | — | 6 | 5 | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | — | — | ENE 9 | — | — | — | ENE 10 | NW 6 | NE 6 | NE 6 | NNE 7 | NNE 8 | NNE 8 | E 8 | — | — |
| kJ | — | 227 | — | — | 225 | — | — | — | 246 | 8 | 233 | 427 | 704 | 1056 | 1181 | 601 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 60 | 54 | 54 | 64 | 64 | 628 | 628 | 597 | 597 | 597 | 595 | 595 | 595 | 595 | 595 | 690 | 690 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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