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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 am Thursday 07 May 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
20.7° 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 1PM is: 2.1m 14s primary swell from a Southwest direction (forecast issued at 07:00am May 07). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 7ft (2.2m) | 14s |
| Afternoon (07 May) | 6.5ft (2.0m) | 14s |
| Evening (07 May) | 6ft (1.8m) | 13s |
Table - waves today at Big Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Thu afternoon, min 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | Sun 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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | WSW 14 | WSW 13 | SW 13 | WSW 13 | WSW 13 | |
2309 | 1956 | 1804 | 1550 | 1383 | 1086 | 976 | 892 | 809 | 669 | 527 | 428 | 361 | 325 | 278 | 273 | 189 | 185 | 105 | 129 | 118 | 208 | 114 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | off | cross-off | cross-off | |
High Tide | 10:58AM1.06m | 11:23AM1.01m | 11:39AM0.93m | |||||||||||||||||||||
Low Tide | 11:04PM0.46m | 11:45PM0.47m | 00:17AM0.49m | |||||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | | |
 | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 7:00 |
 | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | 5:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 16 | 19 | 21 | 20 | 18 | 15 | 14 | 14 | 18 | 21 | 21 | 20 | 19 | 17 | 16 | 15 | 17 | 19 | 19 | 20 | 19 | 18 |
8 | 8 | 12 | 16 | 18 | 15 | 13 | 10 | 9 | 9 | 13 | 16 | 18 | 16 | 14 | 11 | 10 | 9 | 11 | 14 | 16 | 17 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | WSW 13 | N 6 | N 6 | WSW 13 |
 kJ | 2309 | 1956 | 1804 | 1550 | 1383 | 1086 | 976 | 892 | 809 | 669 | 527 | 428 | 361 | 325 | 278 | 273 | 189 | 185 | 105 | 81 | 118 | 98 | 83 | 109 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NNE 5 | NNE 5 | — | — | — | — | — | — | — | SW 18 | SW 18 | SW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | SSW 11 | SW 13 | WSW 13 | SSW 10 |
| kJ | — | — | — | 10 | 10 | — | — | — | — | — | — | — | 12 | 12 | 12 | 26 | 25 | 44 | 85 | 129 | 46 | 208 | 114 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 18 | SW 18 | — | — | — | SW 15 | SW 13 | — | — | S 10 | SSW 10 | WSW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 12 | — | — | — | 56 | 41 | — | — | 19 | 20 | 26 |
Wind waves Height (m) Direction Period (s) | ENE 4 | NE 4 | NE 5 | — | — | NE 5 | NE 4 | NE 4 | NE 5 | NE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | N 6 | N 6 | N 6 | — | — | N 7 |
| kJ | 18 | 20 | 21 | — | — | 12 | 16 | 39 | 84 | 88 | 107 | 100 | 62 | 46 | 59 | 100 | 140 | 182 | 182 | 166 | 119 | — | — | 107 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 22 | 0 | 0 | 0 | 4 | 15 | 13 | 44 | 53 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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