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Surf Forecasts:

Big Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 7 pm Friday 13 Mar 2026 AWST
Forecast 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: 2.2m 16s primary swell from a Southwest direction and 1.0m 8s secondary swell from a South-southeast direction (forecast issued at 07:00pm March 13). The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (14 Mar)7ft (2.2m)16s
Afternoon (14 Mar)7ft (2.1m)16s
Evening (14 Mar)6ft (1.9m)15s

Table - waves today at Big Rock. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
Monday
16
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
4
3
3
3
3
3
4
3
2
2
2
3
3
3
4
2
1
1
3
2
2
3
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
SW
2.3
SW
2.3
SW
2.2
SW
2.3
SW
2.2
SW
2.1
SW
2.1
SW
1.9
SW
1.9
SW
1.9
SW
1.9
SW
1.9
SW
1.8
SW
1.8
SW
1.8
SW
1.7
WSW
1.7
WSW
1.7
WSW
1.6
SW
1.6
SW
1.6
SW
1.6
SW
1.5
SW
Period(s) (?)171717161616161615151414141414131313131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2927322229812496254823542203217516721446142614071407125312331179946946946841841828864700
Wind
(km/h)
15
SE
25
SE
25
ESE
25
ESE
20
ESE
25
ESE
15
SE
15
SE
30
SSE
30
SE
25
SE
20
ESE
20
SE
20
SE
10
SSE
25
SSW
30
SSE
25
SSE
25
SE
20
SE
15
ESE
15
ESE
15
S
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscross
High Tide
/ height (m)
4:35PM
0.80
6:32PM
0.81
7:37PM
0.82
11:07AM
0.60
Low Tide
/ height (m)
3:25AM
0.27
3:38AM
0.28
3:53AM
0.30
1:52PM
0.58
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:16-------6:18-------6:18--
Sunset6:40-------6:39-------6:38-------
clear
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C242118151416232423191715151723232219181716172323
Feels °C (?)211613111112212119151412131522201816151514152119
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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.

View detailed surf forecast for Big Rock at:
surf-forecast.com

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