Surf Forecasts:
How big are the waves at Yona Bay today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 8ft (2.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 1.5ft (0.4m), 8s period with NNW swell.
- Evening surf: Evening surf (23 Oct, local time) - 1ft (0.3m), 8s period with N swell.
The current surf forecast for Yona Bay at 1AM is: 2.5m 8s primary swell from a East direction and 1.2m 8s secondary swell from a North direction (forecast issued at 08:00pm October 22). An open ocean swell of 3.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 8ft (2.5m) | 8s |
| Afternoon (23 Oct) | 1.5ft (0.4m) | 8s |
| Evening (23 Oct) | 1ft (0.3m) | 8s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Thu night. Warm (max 27°C on Fri morning, min 25°C on Thu night). Winds decreasing (strong winds from the E on Thu night, moderate winds from the SE by Sun afternoon). | ||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | ||||||||||||||||
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 7 | E 8 | E 8 | E 8 | NNW 8 | E 8 | N 8 | NNW 8 | NNW 8 | N 8 | SSW 14 | SSE 13 | SSW 13 | SSE 9 | SSE 10 | SSE 10 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 710 | 750 | 849 | 1014 | 115 | 1009 | 48 | 21 | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
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 | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:53PM1.67m | 4:57AM1.62m | 5:21PM1.76m | 5:41AM1.76m | 5:48PM1.84m | |||||||||||||
Low Tide | 11:01PM0.75m | 11:05AM0.59m | 11:33PM0.56m | 11:44AM0.57m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | 7 | 5 | 13 | 6 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
Temp °C | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 21 | 21 | 21 | 23 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 14 | SSE 14 | NNW 8 | SSE 14 | N 8 | NNW 8 | NNW 8 | N 8 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 13 |
| kJ | 5821 | 5081 | 5020 | 5322 | 115 | 6997 | 48 | 21 | 12 | 10 | 11003 | 5173 | 2103 | 721 | 1680 | 782 | 392 | 569 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | — | N 8 | — | — | — | — | — | — | — | — | — | — | — | NE 11 |
| kJ | 351 | 270 | 200 | 173 | — | 68 | — | — | — | — | — | — | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 8 | E 8 | E 8 | SE 14 | E 8 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | SSE 9 |
| kJ | 710 | 750 | 849 | 1014 | 9604 | 1009 | 10022 | 10608 | 11440 | 9784 | 8085 | 6608 | 1914 | 2512 | 2566 | 2274 | 1675 | 1385 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 595 | 595 | 595 | 595 | 595 | 595 | 690 | 690 | 690 | 595 | 595 | 595 | 595 | 622 | 639 | 677 | 644 | 655 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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