
Surf Forecasts:
How big are the waves at Yona Bay today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 3ft (0.9m), 9s period with E swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.4m), 10s period with ENE swell.
- Evening surf: Evening surf (04 Sep, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Yona Bay at 7AM is: 0.9m 10s primary swell from a East direction and 0.5m 7s secondary swell from a North direction (forecast issued at 02:00am September 04). An open ocean swell of 2.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 3ft (0.9m) | 9s |
| Afternoon (04 Sep) | 1.5ft (0.4m) | 10s |
| Evening (04 Sep) | 2.5ft (0.7m) | 9s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Fri afternoon. Warm (max 29°C on Sat afternoon, min 27°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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 9 | E 9 | ENE 10 | E 8 | E 9 | NW 7 | NW 7 | NW 10 | NNW 11 | NNW 10 | N 9 | N 9 | WNW 7 | NNW 8 | NNW 7 | NNW 10 | NNW 10 | NNW 10 | NE 7 | N 8 | N 8 |
Wave Graph | ||||||||||||||||||||||||
331 | 192 | 149 | 136 | 103 | 31 | 66 | 76 | 52 | 85 | 296 | 433 | 386 | 168 | 80 | 55 | 98 | 104 | 176 | 170 | 160 | 204 | 132 | 117 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross |
High Tide | 10:33PM1.85m | 12:21PM1.50m | 11:22PM1.75m | 2:40PM1.44m | 00:47AM1.65m | 4:35PM1.55m | ||||||||||||||||||
Low Tide | 5:38AM0.56m | 5:18PM1.17m | 7:04AM0.63m | 6:55PM1.31m | 8:52AM0.61m | |||||||||||||||||||
— | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | |
— | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:42 | — | |
mm | 1 | 1 | 1 | 1 | 1 | 1 | 2 | — | 1 | — | — | 1 | — | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 27 | 27 | 27 | 29 | 29 | 29 | 30 | 28 | 27 | 27 | 27 | 28 | 31 | 35 | 30 | 28 | 27 | 28 | 27 | 28 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 8 | NW 6 | NW 6 | NW 7 | NW 7 | NW 10 | NNW 11 | NNW 10 | SSW 8 | S 8 | S 8 | NNW 8 | NNW 7 | NNW 10 | NNW 10 | NNW 10 | S 8 | E 6 | E 6 |
331 | 192 | 149 | 136 | 103 | 70 | 43 | 56 | 52 | 85 | 296 | 433 | 386 | 122 | 84 | 61 | 98 | 104 | 176 | 170 | 160 | 50 | 60 | 33 | |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | ENE 10 | SSW 9 | E 9 | E 8 | ESE 7 | ESE 7 | E 7 | SSW 8 | N 9 | WNW 7 | WNW 7 | S 8 | S 8 | S 8 | S 9 | SSE 8 | ENE 9 | S 8 | E 9 |
59 | 33 | 23 | 24 | 23 | 31 | 67 | 76 | 42 | 43 | 29 | 25 | 151 | 168 | 50 | 53 | 63 | 46 | 30 | 39 | 21 | 28 | 52 | 58 | |
Swell 3 Height (m) Direction Period (s) | E 18 | NE 13 | E 13 | ENE 12 | NE 12 | NNW 7 | E 8 | E 16 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ESE 7 | W 6 | N 9 | N 9 | SW 9 | SW 8 | SSW 9 | SW 8 | SSW 8 | ESE 8 | E 9 | SSE 9 |
6 | 7 | 3 | 14 | 6 | 15 | 66 | 5 | 18 | 31 | 32 | 33 | 25 | 26 | 80 | 55 | 36 | 35 | 42 | 17 | 27 | 7 | 41 | 26 | |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SSW 6 | SSW 9 | SW 9 | SSW 8 | SSW 8 | SSW 8 | — | — | E 6 | E 6 | E 6 | E 5 | ENE 6 | ENE 6 | ENE 6 | NE 7 | N 8 | N 8 |
85 | 305 | 322 | 262 | 311 | 307 | 95 | 273 | 323 | 221 | 207 | 180 | — | — | 21 | 19 | 26 | 64 | 135 | 137 | 127 | 204 | 132 | 117 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 664 | 664 | 664 | 664 | 641 | 889 | 44 | 44 | 664 | 664 | 664 | 664 | 41 | 0 | 33 | 595 | 595 | 717 | 794 | 717 | 717 | 761 | 761 | 717 |
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)












