Surf Forecasts:
How big are the waves at Big Rock today (17 Aug):
- Afternoon surf: Afternoon surf (17 Aug, local time) - 18ft (5.5m), 11s period with WSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 18ft (5.5m), 12s period with WSW swell.
The current surf forecast for Big Rock at 11PM is: 5.5m 15s primary swell from a West-southwest direction (forecast issued at 07:00pm August 17). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 18ft (5.5m) | 11s |
| Evening (17 Aug) | 18ft (5.5m) | 12s |
Table - waves today at Big Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed morning. Very mild (max 16°C on Tue night, min 14°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, light winds from the W by Wed night). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 9408 | 8662 | 11812 | 11009 | 11039 | 10598 | 10173 | 9342 | 8820 | 7735 | 6831 | 6324 | 5541 | 6186 | 8083 | 9300 | 9739 | 9739 | 9604 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 00:10AM0.70m | 00:37AM0.74m | |||||||||||||||||
Low Tide | 4:12PM0.44m | 3:35PM0.38m | 3:25PM0.34m | ||||||||||||||||
 |  |  | | |  |  | | | | |  | | |  | | |  | | |
 | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 2 | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
Feels °C | 3 | 5 | 7 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 11 | 12 | 12 | 11 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | — | SW 17 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 16 |
| kJ | — | 1697 | 11812 | 11009 | 11039 | 10598 | 10173 | 9342 | 8820 | 7735 | 6831 | 6324 | 5541 | 6186 | 8083 | 9300 | 9739 | 9739 | 9604 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 12 | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9408 | 8662 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 754 | 1133 | 1105 | 593 | 2 | 221 | 359 | 202 | 202 | 202 | 202 | 251 | 251 | 232 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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