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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 Saturday 09 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
20.4° 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 10PM is: 0.6m 13s primary swell from a Southwest direction (forecast issued at 07:00pm May 09). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | 2ft (0.6m) | 14s |
| Evening (09 May) | 2.5ft (0.8m) | 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 Mon afternoon, min 16°C on Sat night). Winds increasing (light winds from the NE on Sat night, strong winds from the N by Mon morning). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 13 | SW 13 | SW 13 | WSW 13 | N 6 | N 6 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | |
118 | 212 | 138 | 109 | 125 | 159 | 188 | 239 | 301 | 289 | 347 | 347 | 490 | 482 | 569 | 633 | 454 | 447 | 663 | 861 | 1127 | 1360 | 1930 | 1766 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 10:47AM0.85m | 8:51AM0.80m | 5:55PM0.74m | 8:08AM0.81m | ||||||||||||||||||||
Low Tide | 00:17AM0.49m | 00:43AM0.52m | 2:34PM0.72m | 1:04AM0.56m | ||||||||||||||||||||
 |  | | | | | | | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — |
 | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | 5:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 17 | 16 | 17 | 18 | 19 | 19 | 19 | 18 | 17 | 18 | 19 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
15 | 16 | 13 | 12 | 11 | 13 | 12 | 14 | 15 | 15 | 14 | 12 | 13 | 13 | 13 | 15 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 13 | N 7 | WSW 13 | WSW 12 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 |
 kJ | 118 | 212 | 92 | 109 | 60 | 123 | 188 | 239 | 301 | 289 | 347 | 347 | 490 | 482 | 569 | 633 | 454 | 447 | 663 | 861 | 1127 | 1360 | 1930 | 1766 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SW 13 | SW 13 | SSW 10 | SW 15 | WSW 12 | S 10 | S 10 | S 9 | S 9 | — | WSW 17 | WSW 18 | WSW 16 | WSW 16 | — | W 15 | WSW 15 | WNW 7 | SSW 16 | W 18 | WSW 17 | W 16 | WSW 16 |
| kJ | 45 | 180 | 138 | 20 | 58 | 56 | 2 | 2 | 2 | 2 | — | 100 | 31 | 51 | 87 | — | 161 | 169 | 18 | 26 | 25 | 157 | 193 | 644 |
Swell 3 Height (m) Direction Period (s) | — | S 10 | WSW 16 | WSW 16 | SSW 10 | S 10 | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | W 18 | — | — | — | — |
| kJ | — | 18 | 26 | 26 | 10 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 7 | N 7 | NE 3 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | NNW 6 |
| kJ | 173 | 128 | 5 | 141 | 125 | 159 | 194 | 200 | 156 | 130 | 112 | 128 | 166 | 243 | 328 | 366 | 350 | 286 | 235 | 185 | 121 | 77 | 66 | 65 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 53 | 44 | 0 | 0 | 44 | 44 | 44 | 44 | 53 | 44 | 27 | 7 | 44 | 44 | 144 | 159 | 221 | 144 | 53 | 53 | 144 | 53 | 44 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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