Surf Forecasts:
How big are the waves at Yona Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 5ft (1.6m), 7s period with E swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6ft (1.8m), 7s period with E swell.
The current surf forecast for Yona Bay at 6AM is: 1.6m 7s primary swell from a East direction (forecast issued at 02:00am August 19). An open ocean swell of 0.3m 8s is not directed at the surf break, a second open ocean swell of 0.2m 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 (19 Aug) | 5ft (1.6m) | 7s |
| Afternoon (19 Aug) | 6ft (1.8m) | 7s |
| Evening (19 Aug) | - | - |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 49mm), heaviest during Fri afternoon. Warm (max 28°C on Wed morning, min 26°C on Fri morning). Winds increasing (moderate winds from the ESE on Wed night, strong winds from the ESE by Thu night). | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ENE 7 | ENE 8 | ESE 7 | SSE 9 | SE 8 | E 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 8 | SE 8 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 219 | 233 | 240 | 240 | 233 | 289 | 0 | 0 | 0 | 0 | 76 | 14 | 0 | 0 | 0 | 156 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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 | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 10:22PM1.89m | 11:05AM1.58m | 10:52PM1.81m | 12:05PM1.41m | 11:25PM1.71m | 2:08PM1.31m | ||||||||||||||||||
Low Tide | 4:58AM0.65m | 4:38PM0.95m | 5:49AM0.73m | 5:04PM1.11m | 7:00AM0.80m | 5:33PM1.26m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | |  | | | |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — |
mm | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 8 | 6 | 4 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 27 | 28 | 30 | 29 | 29 | 27 | 28 | 27 | 24 | 26 | 27 | 25 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | ENE 7 | S 10 | S 10 | SSE 9 | ESE 10 | S 8 | SW 9 | SW 8 | SW 9 | — | SSW 8 | S 9 | SSW 9 | SW 9 |
| kJ | 11 | 11 | 10 | 9 | 5 | 11 | 11 | 12 | 13 | 24 | 76 | 94 | 115 | 270 | 10 | 245 | 3 | 3 | 3 | — | 217 | 151 | 108 | 142 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 8 | ENE 8 | SW 9 | SW 9 | SW 9 | SW 9 | — | — | — | — | — | SSW 9 | SSW 8 | — |
| kJ | 4 | 4 | 4 | 5 | 7 | 3 | 3 | 3 | 3 | 3 | 29 | 14 | 3 | 3 | 3 | 3 | — | — | — | — | — | 281 | 96 | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | ESE 10 | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 10 | 10 | 10 | 10 | — | — | — | 11 | 3 | 3 | 3 | 12 | 3 | 10 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 | SE 8 | E 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 8 | SE 8 | SE 10 |
| kJ | 219 | 233 | 240 | 240 | 233 | 289 | 327 | 355 | 349 | 339 | 260 | 320 | 302 | 180 | 459 | 156 | 699 | 717 | 717 | 674 | 681 | 782 | 1187 | 4022 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 63 | 60 | 595 | 856 | 63 | 595 | 595 | 66 | 66 | 66 | 595 | 595 | 66 | 66 | 595 | 66 | 595 | 64 | 66 | 64 | 595 | 66 | 64 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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