Surf Forecasts:
How big are the waves at Yona Bay today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1.5ft (0.4m), 12s period with ENE swell.
- Evening surf: Evening surf (30 Aug, local time) - 1.5ft (0.4m), 11s period with ENE swell.
The current surf forecast for Yona Bay at 8PM is: 0.4m 11s primary swell from a East-northeast direction (forecast issued at 02:00pm August 30). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 1.5ft (0.4m) | 12s |
| Evening (30 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Tue night. Warm (max 28°C on Sun afternoon, min 27°C on Sun afternoon). Mainly fresh winds. | ||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||
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 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | E 15 | ESE 9 | E 15 | E 14 | E 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 71 | 46 | 44 | 43 | 43 | 42 | 40 | 40 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 18 | 37 | 879 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off |
High Tide | 8:28PM2.00m | 8:41AM2.03m | 8:55PM2.00m | 9:21AM1.95m | ||||||||||||||||
Low Tide | 2:19PM0.41m | 2:34AM0.50m | 2:50PM0.51m | 3:09AM0.44m | 3:22PM0.64m | |||||||||||||||
 | |  |  | | | | | | | | |  | | |  | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 30 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 26 | 27 | 27 | 27 | 27 | 27 | 29 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 9 | S 9 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | S 8 | S 8 | SSW 8 | SW 10 | SW 10 |
| kJ | 99 | 96 | 94 | 73 | 53 | 50 | 50 | 45 | 54 | 52 | 37 | 23 | 23 | 14 | 8 | 21 | 12 | 22 | 51 | 87 |
Swell 2 Height (m) Direction Period (s) | E 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | S 8 | S 8 |
| kJ | 71 | 46 | 44 | 43 | 43 | 42 | 40 | 40 | 40 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 15 | 20 | 21 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SW 8 | SW 9 | SW 9 | SW 10 | S 8 | SW 9 | — | — | — | S 8 | S 8 | S 8 | E 15 | SSW 8 | E 15 | E 14 | E 14 |
| kJ | 4 | 4 | 4 | 11 | 13 | 13 | 14 | 12 | 13 | — | — | — | 5 | 5 | 5 | 18 | 7 | 18 | 37 | 35 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 |
| kJ | 108 | 111 | 115 | 118 | 118 | 111 | 128 | 163 | 240 | 402 | 547 | 629 | 800 | 950 | 950 | 819 | 819 | 755 | 803 | 879 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 66 | 66 | 66 | 66 | 66 | 66 | 64 | 60 | 64 | 937 | 595 | 595 | 595 | 595 | 66 | 66 | 64 | 64 | 35 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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