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Big Rock Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Big Rock surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 pm Thursday 19 Feb 2026 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
21.0° C
(Which is normal for this time of year)How big are the waves at Big Rock today?
The current surf forecast for Big Rock at 2AM is: 2.3m 13s primary swell from a Southwest direction (forecast issued at 07:00pm February 19). The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 7ft (2.1m) | 13s |
| Afternoon (20 Feb) | 7ft (2.1m) | 12s |
| Evening (20 Feb) | 8ft (2.4m) | 12s |
Table - waves today at Big Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1697 | 1619 | 1537 | 1750 | 1498 | 1475 | 1363 | 1209 | 1358 | 1565 | 2201 | 2536 | 2610 | 2392 | 2356 | 2362 | 2596 | 3010 | 3540 | 6984 | 6967 | 6780 | 6116 | 5651 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 11:13PM 0.65 | 11:49AM 0.57 | 11:55PM 0.54 | 12:04PM 0.63 | 12:38AM 0.43 | 12:27PM 0.68 | ||||||||||||||||||
Low Tide / height (m) | 4:47PM 0.40 | 5:49AM 0.37 | 5:58PM 0.38 | 5:28AM 0.41 | 7:37PM 0.37 | 4:02AM 0.41 | ||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - |
| Sunset | 7:08 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:06 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 19 | 18 | 17 | 17 | 18 | 22 | 21 | 21 | 18 | 17 | 16 | 16 | 18 | 19 | 20 | 18 | 16 | 16 | 16 | 16 | 16 | 19 | 20 |
| Feels °C (?) | 17 | 15 | 15 | 15 | 15 | 16 | 19 | 16 | 16 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 11 | 10 | 10 | 12 | 12 | 12 | 15 | 13 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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