Surf Forecasts:
How big are the waves at Yona Bay today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 3.5ft (1.0m), 9s period with E swell.
- Evening surf: Evening surf (09 Aug, local time) - 2.5ft (0.7m), 14s period with E swell.
The current surf forecast for Yona Bay at 7AM is: 1.1m 10s primary swell from a East direction (forecast issued at 02:00am August 09). An open ocean swell of 1.6m 12s is not directed at the surf break, a second open ocean swell of 3.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 3.5ft (1.1m) | 9s |
| Afternoon (09 Aug) | 3.5ft (1.0m) | 9s |
| Evening (09 Aug) | 2.5ft (0.7m) | 14s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Tue night. Warm (max 30°C on Mon afternoon, min 27°C on Mon night). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SE by Tue night). | ||||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||||||||||
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) | ENE 10 | ENE 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 245 | 240 | 226 | 212 | 169 | 165 | 129 | 195 | 306 | 577 | 665 | 609 | 434 | 427 | 582 | 564 | 522 | 304 | 299 | 240 | 240 | 250 | 250 | 246 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 2:55AM1.73m | 5:41PM1.66m | 4:18AM1.81m | 6:24PM1.78m | 5:22AM1.93m | 6:59PM1.87m | ||||||||||||||||||
Low Tide | 9:12PM1.29m | 10:28AM0.47m | 10:45PM1.22m | 11:29AM0.33m | 11:45PM1.10m | 12:18PM0.23m | ||||||||||||||||||
 |  |  | | | | | | | | | |  | | | |  | | | |  | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — |
mm | 1 | — | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 2 | 2 | — | — | 2 | 3 |
Temp °C | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 28 | 28 | 28 | 27 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 25 | 26 | 27 | 27 | 29 | 29 | 27 | 28 | 28 | 29 | 29 | 31 | 31 | 33 | 32 | 31 | 31 | 32 | 31 | 31 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SSW 10 | E 14 | E 14 | E 13 | E 13 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 |
| kJ | 245 | 525 | 585 | 774 | 811 | 887 | 658 | 438 | 333 | 577 | 665 | 609 | 434 | 512 | 524 | 535 | 461 | 416 | 467 | 180 | 190 | 196 | 196 | 190 |
Swell 2 Height (m) Direction Period (s) | ENE 15 | ENE 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | E 9 | W 11 | SW 10 | SW 11 | SW 11 | SW 11 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ENE 12 | S 10 | SSW 10 | ENE 12 | ENE 12 |
| kJ | 21 | 240 | 226 | 212 | 169 | 165 | 129 | 119 | 291 | 248 | 229 | 229 | 229 | 427 | 582 | 564 | 522 | 304 | 299 | 240 | 221 | 190 | 250 | 246 |
Swell 3 Height (m) Direction Period (s) | — | ENE 15 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | E 14 | E 14 | E 14 | W 11 | W 10 | W 10 | W 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | E 6 | SSE 10 | ENE 12 | ENE 12 | SSW 10 | SW 10 |
| kJ | — | 21 | 21 | 42 | 41 | 70 | 106 | 195 | 306 | 227 | 171 | 127 | 128 | 174 | 123 | 119 | 97 | 58 | 44 | 173 | 240 | 250 | 154 | 94 |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 7 | SSE 9 | S 10 | S 10 | S 10 | E 7 | — | — | E 6 | E 6 | — | E 6 | — | — | — | E 6 |
| kJ | 4775 | 3060 | 2053 | 1600 | 1527 | 1463 | 1390 | 1194 | 426 | 639 | 602 | 584 | 510 | 51 | — | — | 64 | 42 | — | 34 | — | — | — | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 794 | 679 | 679 | 674 | 674 | 655 | 655 | 655 | 595 | 595 | 595 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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