Surf Forecasts:
How big are the waves at Yona Bay today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Yona Bay at 7PM is: 0.3m 9s primary swell from a East direction (forecast issued at 02:00pm July 31). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 1ft (0.3m) | 9s |
| Evening (31 Jul) | 1ft (0.3m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Mon morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||
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 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 18 | E 16 | E 16 | E 17 | E 17 | E 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 6 | 6 | 6 | 6 | 6 | 26 | 78 | 127 | 214 | 148 | 377 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on | glassy | cross-on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 8:40PM1.90m | 8:11AM1.98m | 9:06PM1.92m | 8:50AM1.97m | ||||||||||||||||
Low Tide | 2:12PM0.29m | 2:23AM0.83m | 2:43PM0.33m | 2:57AM0.75m | 3:15PM0.41m | |||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 33 | 33 | 33 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 33 | 32 | 32 | 32 | 33 | 32 | 32 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 11 | E 9 | ESE 9 | SE 9 | SE 9 | E 16 | E 16 | E 17 | E 17 | E 15 |
| kJ | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 6 | 18 | 6 | 8 | 13 | 13 | 78 | 127 | 214 | 148 | 377 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 6 | SE 6 | SE 5 | S 8 | SE 9 | E 9 | ESE 8 | E 9 | E 9 | E 18 | SE 9 | ESE 9 | ENE 9 | E 14 | ESE 9 |
| kJ | 8 | 8 | 8 | 8 | 9 | 1 | 1 | 1 | 5 | 12 | 6 | 6 | 6 | 6 | 26 | 13 | 8 | 7 | 63 | 8 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 11 | SE 9 | S 8 | SE 5 | S 8 | S 8 | S 8 | S 7 | S 7 | E 9 | E 9 | E 8 | ESE 7 | ENE 8 | S 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | 5 | 3 | 5 | 1 | 5 | 5 | 5 | 4 | 4 | 6 | 6 | 6 | 5 | 14 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 7 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 856 | 856 | 920 | 927 | 927 | 920 | 920 | 1349 | 1298 | 1298 | 597 | 605 | 597 | 28 | 14 | 12 | 14 | 28 | 14 | 28 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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