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Surf Forecasts:
Big Rock surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 am Sunday 07 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Rock sea temperature is
19.9° C
(Which is slightly warmer than usual)How big are the waves at Big Rock today?
The current surf forecast for Big Rock at 11AM is: 1.1m 14s primary swell from a Southwest direction and 1.3m 10s secondary swell from a Southwest direction (forecast issued at 07:00am December 07). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 3.5ft (1.0m) | 15s |
| Afternoon (07 Dec) | 4.5ft (1.3m) | 11s |
| Evening (07 Dec) | 6ft (1.8m) | 11s |
Table - waves today at Big Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 14 | 11 | 14 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 558 | 443 | 482 | 431 | 1363 | 690 | 789 | 884 | 904 | 773 | 788 | 893 | 851 | 974 | 1346 | 2207 | 1915 | 2121 | 2049 | 1655 | 1486 | 1448 | 1448 | 1471 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:07PM 0.91 | 10:28PM 0.85 | 10:37PM 0.77 | |||||||||||||||||||||
Low Tide / height (m) | 8:13AM 0.08 | 9:12AM 0.13 | 10:08AM 0.18 | |||||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| Sunrise | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - |
 |  | | | | | |  | |  | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 18 | 18 | 16 | 15 | 14 | 13 | 16 | 21 | 21 | 18 | 16 | 15 | 14 |
| Feels °C (?) | 16 | 17 | 16 | 17 | 17 | 16 | 17 | 17 | 15 | 16 | 15 | 12 | 13 | 11 | 10 | 10 | 9 | 12 | 17 | 14 | 11 | 9 | 10 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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