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Surf Forecasts:

Big Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 7 pm Thursday 19 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
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 1AM is: 2.1m 14s primary swell from a Southwest direction (forecast issued at 07:00pm March 19). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (20 Mar)6.5ft (2.0m)13s
Afternoon (20 Mar)7.5ft (2.3m)14s
Evening (20 Mar)8ft (2.5m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
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)
2
2
2
2
2
3
2
1
2
2
2
3
3
3
1
0
1
2
2
2
2
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.3
SW
2.2
SW
2.2
SW
2.1
SW
2
SW
2
SW
2.1
SW
2.3
SW
2.5
SW
2.5
SW
2.5
SW
2.4
SW
2.5
SW
2.3
SW
2.2
SW
2.1
SW
2.1
SW
2.1
SW
2.1
SW
2
SW
2
SW
2
SW
2.3
SW
2
SW
Period(s) (?)141414141313131415141414141313131314141413131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)224719021875152713601339146019482851252724582221220519331668146014821618164115141387134617831306
Wind
(km/h)
30
SSE
30
SSE
25
SE
25
SE
25
SE
25
SE
15
S
25
S
30
SSE
25
SSE
25
SSE
20
SE
20
SE
20
SSE
25
S
35
S
35
S
35
SSE
30
SSE
30
SE
25
SE
30
SE
30
SSE
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
11:00PM
0.65
10:28AM
0.71
12:00AM
0.57
10:44AM
0.77
11:04AM
0.82
Low Tide
/ height (m)
4:37PM
0.37
4:28AM
0.47
5:35PM
0.33
4:00AM
0.50
6:45PM
0.32
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:22-------6:22-------6:24--
Sunset6:32-------6:31-------6:30-------
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C211817161717242423181817161822222017171616162123
Feels °C (?)171414131414222120151516141619171512121112111617
  • 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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