
Surf Forecasts:
How big are the waves at Yona Bay today (03 Aug):
- Afternoon surf: Afternoon surf (03 Aug, local time) - 4.5ft (1.4m), 16s period with E swell.
- Evening surf: Evening surf (03 Aug, local time) - 4.5ft (1.4m), 16s period with E swell.
The current surf forecast for Yona Bay at 8PM is: 1.4m 16s primary swell from a East direction and 0.6m 4s secondary swell from a North direction (forecast issued at 02:00pm August 03). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Aug) | - | - |
| Afternoon (03 Aug) | 4.5ft (1.4m) | 16s |
| Evening (03 Aug) | 4.5ft (1.4m) | 16s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Tue afternoon. Warm (max 30°C on Mon afternoon, min 28°C on Tue night). Winds increasing (light winds from the N on Mon afternoon, near gales from the N by Thu morning). | ||||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||||||
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 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 18 | E 18 | E 18 |
Wave Graph | ||||||||||||||||||||
827 | 984 | 977 | 964 | 1101 | 1115 | 1485 | 1696 | 1696 | 1901 | 2398 | 2879 | 3404 | 3287 | 3467 | 4231 | 4235 | 6833 | 9380 | 11484 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on |
High Tide | 9:32AM1.91m | 10:05PM1.91m | 10:19AM1.80m | 10:38PM1.87m | 11:15AM1.66m | |||||||||||||||
Low Tide | 3:49PM0.53m | 4:16AM0.66m | 4:25PM0.69m | 5:06AM0.65m | 5:04PM0.88m | |||||||||||||||
— | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | |
— | — | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — | |
mm | — | — | — | — | 1 | — | 1 | 1 | 1 | 2 | 1 | — | 1 | — | 1 | 2 | — | — | 1 | — |
Temp °C | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 30 | 30 | 29 | 29 |
Feels °C | 31 | 31 | 33 | 31 | 31 | 31 | 31 | 32 | 31 | 32 | 33 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 18 | E 18 | E 18 |
827 | 984 | 977 | 964 | 1101 | 1115 | 1485 | 1696 | 1696 | 1901 | 2398 | 2879 | 3404 | 3287 | 3467 | 4231 | 4235 | 6833 | 9380 | 11484 | |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 8 | SSE 8 | SSE 8 | — | — | — | — | S 8 | — | S 8 | S 7 | — | — |
4 | 4 | 5 | 4 | 4 | 4 | 4 | 10 | 12 | 13 | — | — | — | — | 18 | — | 18 | 17 | — | — | |
Swell 3 Height (m) Direction Period (s) | SE 8 | E 15 | SE 14 | S 7 | SE 8 | SE 8 | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 | 4 | 8 | 4 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | W 7 | — | N 4 | N 4 | NNE 4 | NNE 4 | NE 4 | NE 5 | NNE 5 | SE 8 | — | — | ESE 8 | ESE 8 | NE 6 | NE 6 | — | — | — |
— | 4 | — | 9 | 12 | 15 | 16 | 20 | 17 | 14 | 32 | — | — | 32 | 22 | 64 | 80 | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 33 | 28 | 74 | 28 | 28 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 856 | 761 | 664 | 664 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












