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Surf Forecasts:

Big Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 1 am Monday 16 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
20.8° 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 7AM is: 1.6m 13s primary swell from a Southwest direction (forecast issued at 01:00am March 16). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (16 Mar)5ft (1.6m)13s
Afternoon (16 Mar)5ft (1.5m)13s
Evening (16 Mar)5ft (1.5m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
2
2
2
2
3
0
1
1
2
2
3
3
2
2
2
2
2
3
2
2
1
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
WSW
1.7
WSW
1.6
SW
1.6
SW
1.6
SW
1.5
SW
1.4
SW
1.4
SW
1.5
SW
1.5
SW
1.4
SW
1.4
SW
1.5
SW
1.5
SW
1.6
SW
1.5
SW
1.5
SW
1.6
SW
1.6
SW
1.6
SW
1.6
SW
1.5
SW
1.5
SW
1.5
SW
Period(s) (?)131313131313131313131313131413131313121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)932932841828803700647679734734659669755813852755721825730730706634624614
Wind
(km/h)
25
SE
20
SE
20
ESE
15
SE
10
SSE
30
S
30
SSE
30
SE
20
ESE
20
ESE
20
ESE
15
E
5
NNW
10
SW
15
S
20
SE
20
ESE
15
E
20
ENE
15
NE
20
N
15
NW
15
SW
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		offoffcrosscross-
on		crosscross-
off		cross-
off		offcross-
off		cross-
off		crosscross-
on		cross-
on		cross-
off
High Tide
/ height (m)
11:07AM
0.60
8:30PM
0.81
10:28AM
0.59
9:20PM
0.78
10:17AM
0.61
Low Tide
/ height (m)
3:53AM
0.30
1:52PM
0.58
4:09AM
0.33
2:53PM
0.50
4:22AM
0.37
3:45PM
0.43
Monday
16
Tuesday
17
Wednesday
18
Sunrise---6:18-------6:20-------6:20----
Sunset------6:37-------6:36-------6:35-
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
clear
clear
Rain (mm)
------------------------
Temp. °C171615162222201818161619242225232323242528272321
Feels °C (?)141413142118161415131417242224212121212224252219
  • 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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