Surf Forecasts:
How big are the waves at Yonabaru today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 4.5ft (1.4m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 4.5ft (1.3m), 7s period with ESE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
The current surf forecast for Yonabaru at 11AM is: 1.4m 8s primary swell from a East-southeast direction (forecast issued at 08:00am August 20). An open ocean swell of 0.9m 9s is not directed at the surf break, a second open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 4.5ft (1.4m) | 8s |
| Afternoon (20 Aug) | 4.5ft (1.3m) | 7s |
| Evening (20 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Yonabaru. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Fri afternoon). Winds increasing (light winds from the ESE on Thu afternoon, strong winds from the SE by Fri afternoon). | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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) | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | ENE 8 | SE 7 | ESE 6 | SE 7 | SE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 300 | 238 | 220 | 173 | 124 | 114 | 123 | 180 | 21 | 314 | 346 | 817 | 1713 | 8 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 14 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:45AM1.63m | 11:12PM1.91m | 1:25PM1.53m | 00:10AM1.84m | 3:38PM1.57m | |||||||||||||||||
Low Tide | 5:20AM0.70m | 4:58PM1.15m | 6:30AM0.74m | 5:55PM1.32m | 8:02AM0.73m | 7:49PM1.42m | ||||||||||||||||
 |  | | | | | | | | | |  | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — |
mm | 1 | 1 | 2 | 1 | 1 | 1 | 4 | 2 | 2 | 1 | 2 | 1 | 11 | 1 | 1 | 2 | 2 | 3 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 32 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 26 | 24 | 21 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 8 | SW 8 | S 8 | SW 8 | SW 9 | SW 9 | SW 10 | ENE 9 | ENE 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 300 | 111 | 132 | 189 | 257 | 264 | 225 | 215 | 44 | 54 | 78 | 82 | 95 | 97 | 115 | 8 | 8 | 318 | 277 | 217 | 241 | 192 |
Swell 2 Height (m) Direction Period (s) | S 10 | SW 9 | SW 9 | SW 9 | ENE 7 | ENE 8 | ESE 11 | SW 8 | ENE 8 | ENE 8 | SW 8 | SSW 8 | — | ENE 9 | ENE 9 | — | SW 10 | SW 10 | — | — | — | E 13 |
| kJ | 89 | 12 | 12 | 12 | 60 | 26 | 12 | 69 | 21 | 21 | 41 | 7 | — | 8 | 8 | — | 226 | 318 | — | — | — | 14 |
Swell 3 Height (m) Direction Period (s) | SW 8 | SSE 10 | SW 9 | ENE 8 | ENE 8 | SW 9 | SW 9 | ENE 8 | ESE 11 | — | SW 10 | — | — | — | — | — | ENE 9 | — | — | — | — | — |
| kJ | 11 | 100 | 12 | 27 | 24 | 12 | 51 | 24 | 12 | — | 25 | — | — | — | — | — | 8 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | SSE 8 | SE 7 | ESE 6 | SE 7 | SE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 289 | 238 | 220 | 173 | 124 | 114 | 123 | 180 | 500 | 314 | 346 | 817 | 1713 | 1809 | 1695 | 1825 | 1761 | 1647 | 1926 | 1774 | 1562 | 1202 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 13 | 10 | 13 | 13 | 599 | 599 | 13 | 599 | 599 | 599 | 599 | 599 | 599 | 599 | 607 | 607 | 607 | 607 | 599 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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