Surf Forecasts:
How big are the waves at Yona Bay today (08 Aug):
- Afternoon surf: Afternoon surf (08 Aug, local time) - 4.5ft (1.3m), 10s period with ENE swell.
- Evening surf: Evening surf (08 Aug, local time) - 3.5ft (1.1m), 10s period with ENE swell.
The current surf forecast for Yona Bay at 6PM is: 1.1m 10s primary swell from a East-northeast direction and 0.2m 15s secondary swell from a East-northeast direction (forecast issued at 02:00pm August 08). An open ocean swell of 5.5m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | - | - |
| Afternoon (08 Aug) | 4.5ft (1.3m) | 10s |
| Evening (08 Aug) | 3.5ft (1.1m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat afternoon. Warm (max 30°C on Tue morning, min 28°C on Sat afternoon). Winds decreasing (gales from the SSE on Sat afternoon, light winds from the SE by Mon night). | ||||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | ||||||||||||||||||
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 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | ENE 9 | E 14 | W 11 | W 11 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 415 | 385 | 260 | 250 | 245 | 231 | 226 | 217 | 173 | 138 | 132 | 195 | 475 | 403 | 569 | 609 | 600 | 506 | 498 | 483 |
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 | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:34PM1.53m | 2:55AM1.73m | 5:41PM1.66m | 4:18AM1.81m | 6:24PM1.78m | |||||||||||||||
Low Tide | 9:07AM0.59m | 9:12PM1.29m | 10:28AM0.47m | 10:45PM1.22m | 11:29AM0.33m | |||||||||||||||
 | | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — |
mm | 4 | 3 | 2 | 3 | 1 | — | 1 | 1 | 1 | 3 | 1 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 22 | 22 | 23 | 22 | 25 | 26 | 27 | 27 | 28 | 28 | 29 | 27 | 27 | 28 | 29 | 31 | 31 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 10 | ENE 10 | ENE 10 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | W 12 | W 11 | W 11 | SSW 11 | E 13 | E 13 | E 13 | S 10 | S 10 |
| kJ | 415 | 385 | 260 | 250 | 703 | 1138 | 1062 | 1365 | 1844 | 1216 | 872 | 628 | 475 | 403 | 389 | 609 | 600 | 506 | 648 | 590 |
Swell 2 Height (m) Direction Period (s) | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | ENE 9 | E 8 | E 14 | E 14 | W 11 | SSW 11 | SW 11 | W 10 | E 13 | E 13 |
| kJ | 21 | 21 | 21 | 21 | 245 | 231 | 226 | 217 | 173 | 138 | 132 | 116 | 306 | 394 | 396 | 382 | 328 | 167 | 498 | 483 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 14 | E 14 | E 14 | E 8 | E 8 | E 14 | W 11 | W 11 | SW 11 | W 10 | W 10 |
| kJ | — | — | — | — | 21 | 21 | 21 | 42 | 42 | 70 | 106 | 195 | 64 | 63 | 569 | 335 | 277 | 177 | 159 | 125 |
Wind waves Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 10 | S 9 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 10 | S 11 | S 10 | — | — |
| kJ | 9016 | 7330 | 6445 | 6090 | 4194 | 2646 | 1802 | 1374 | 1403 | 1566 | 1433 | 1390 | 1316 | 1203 | 725 | 666 | 646 | 724 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 986 | 986 | 927 | 794 | 690 | 679 | 679 | 679 | 674 | 674 | 674 | 655 | 655 | 655 | 595 | 664 | 690 | 0 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
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