Surf Forecasts:
How big are the waves at Yona Bay today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 3.5ft (1.1m), 13s period with E swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 4.5ft (1.4m), 13s period with E swell.
- Evening surf: Evening surf (10 Aug, local time) - 4.5ft (1.4m), 13s period with E swell.
The current surf forecast for Yona Bay at 6AM is: 1.0m 14s primary swell from a East direction and 1.0m 10s secondary swell from a West direction (forecast issued at 02:00am August 10). An open ocean swell of 2.0m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3.5ft (1.1m) | 13s |
| Afternoon (10 Aug) | 4.5ft (1.4m) | 13s |
| Evening (10 Aug) | 4.5ft (1.4m) | 13s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Wed morning. Warm (max 29°C on Mon morning, min 26°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||||
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 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 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 306 | 394 | 400 | 440 | 434 | 683 | 760 | 643 | 314 | 304 | 299 | 240 | 240 | 254 | 254 | 250 | 193 | 180 | 176 | 135 | 133 | 130 | 83 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 4:18AM1.81m | 6:24PM1.78m | 5:22AM1.93m | 6:59PM1.87m | 6:14AM2.04m | 7:31PM1.94m | ||||||||||||||||||
Low Tide | 10:45PM1.22m | 11:29AM0.33m | 11:45PM1.10m | 12:18PM0.23m | 00:30AM0.96m | 12:59PM0.17m | ||||||||||||||||||
 |  |  |  | | | | | | | | | |  | | | | | | | |  |  |  | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
mm | — | 1 | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — | 1 | — | — | — | 1 | 3 | 3 | 1 | — | — |
Temp °C | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 26 | 27 | 27 |
Feels °C | 28 | 28 | 29 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 32 | 31 | 32 | 32 | 32 | 33 | 32 | 32 | 31 | 32 | 30 | 28 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SW 10 | E 14 | E 13 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 333 | 243 | 400 | 440 | 500 | 449 | 392 | 400 | 392 | 392 | 204 | 208 | 220 | 216 | 180 | 139 | 219 | 207 | 164 | 164 | 99 | 126 | 126 | 122 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | W 10 | E 13 | E 13 | SW 11 | SW 11 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | SSW 10 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
| kJ | 297 | 231 | 214 | 210 | 434 | 683 | 114 | 110 | 314 | 304 | 299 | 240 | 240 | 254 | 154 | 250 | 193 | 180 | 176 | 135 | 133 | 130 | 83 | 80 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | SW 11 | SW 11 | SW 11 | SW 11 | W 10 | W 9 | SW 10 | SW 10 | SSW 10 | SSW 10 | E 6 | E 6 | ENE 12 | SSW 10 | E 6 | E 6 | E 6 | E 6 | SW 10 | E 5 | ESE 5 | NE 13 |
| kJ | 306 | 394 | 229 | 194 | 191 | 187 | 64 | 41 | 69 | 50 | 173 | 132 | 45 | 44 | 254 | 154 | 23 | 22 | 22 | 15 | 58 | 15 | 9 | 41 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 10 | SSE 10 | E 7 | ENE 7 | E 13 | E 13 | E 6 | E 6 | E 6 | E 6 | — | — | — | — | E 6 | — | — | — | — | — | — | E 5 |
| kJ | 674 | 589 | 732 | 711 | 83 | 82 | 760 | 643 | 53 | 44 | 45 | 71 | — | — | — | — | 41 | — | — | — | — | — | — | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 655 | 595 | 35 | 0 | 0 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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