Castle Rock surfForecast / WA – Margaret River / Australia

information circle48hr Weather and Surf, issued 7 pm Thursday 12 Mar 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Castle Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castle Rock sea temperature is
21.0° C
(Which is normal for this time of year)

How big are the waves at Castle Rock today?

The current surf forecast for Castle Rock at 10PM is: 1.3m 20s primary swell from a West-southwest direction and 1.0m 11s secondary swell from a Southwest direction, 0.8m 4s secondary swell from a East direction (forecast issued at 07:00pm March 12). The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (12 Mar)--
Afternoon (12 Mar)3.5ft (1.0m)23s
Evening (12 Mar)4.5ft (1.3m)21s

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


Updates in  hr  min  s Forecast update imminent
Thursday
12
Friday
13
Saturday
14
Sunday
15
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
WSW
1.3
WSW
1.4
WSW
1.5
WSW
1.5
WSW
1.6
WSW
1.6
WSW
1.6
WSW
1.6
WSW
1.6
WSW
1.6
WSW
1.6
WSW
1.5
WSW
1.5
WSW
1.5
WSW
1.5
WSW
1.4
WSW
1.4
SW
1.4
WSW
1.4
WSW
1.4
WSW
1.3
WSW
1.4
WSW
1.3
WSW
Period(s) (?)222120201919181817171716161616161515151414141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1165135815291625155918021652157915431526140513541170106711411054897881807796785722742553
Wind
(km/h)
20
E
25
ESE
30
ESE
30
ESE
30
ESE
30
ESE
25
E
20
ESE
20
E
25
ESE
25
ESE
25
SE
25
SE
25
SE
10
E
15
SW
15
SSE
25
SE
30
SE
25
SE
25
SE
25
ESE
10
ESE
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
crossoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
High Tide
/ height (m)
4:24PM
0.58
6:03PM
0.60
6:58PM
0.63
Low Tide
/ height (m)
3:22AM
0.09
3:37AM
0.08
3:50AM
0.08
Thursday
12
Friday
13
Saturday
14
Sunday
15
Sunrise-----6:16-------6:16-------6:18--
Sunset6:42-------6:40-------6:38-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C222119161616212424222017151622232523191716172223
Feels °C (?)181613101110162020171613111320212319151413142120
  • 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

Latest Updates

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 Castle 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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