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Surf Forecasts:

Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 pm Monday 16 Mar 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Cathedral Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cathedral Rock sea temperature is
21.8° C
 (Which is slightly cooler than normal)

How big are the waves at Cathedral Rock today?

The current surf forecast for Cathedral Rock at 3AM is: 0.9m 13s primary swell from a West-southwest direction and 0.6m 6s secondary swell from a Southwest direction (forecast issued at 07:00pm March 16). An 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) & DateWave HeightWave Period
Morning (17 Mar)3ft (0.9m)13s
Afternoon (17 Mar)3ft (0.9m)13s
Evening (17 Mar)3ft (0.9m)13s

Table - waves today at Cathedral 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
Thursday
19
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)
0
0
1
0
0
0
2
1
0
0
2
2
0
1
0
1
0
0
0
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
WSW
1
WSW
1
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
SW
0.9
SW
0.9
SW
0.8
WSW
0.8
WSW
0.8
WSW
0.8
WSW
0.9
SW
0.9
SW
0.9
SW
Period(s) (?)131313131313131313131313131312121212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)331326321269265261290265265269269265257277220212209184180177174192195202
Wind
(km/h)
35
S
30
S
30
ESE
30
E
30
E
30
ENE
15
ENE
10
S
25
S
25
SSE
20
SSE
15
ESE
20
ENE
25
ENE
10
NNE
5
SE
20
S
20
S
20
S
10
ENE
15
N
15
N
15
W
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		crossoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
7:51PM
0.86
10:36AM
0.59
8:42PM
0.79
10:18AM
0.59
9:32PM
0.72
10:19AM
0.63
Low Tide
/ height (m)
3:51AM
0.33
2:11PM
0.53
4:01AM
0.34
3:09PM
0.45
4:07AM
0.37
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise-----6:18-------6:18-------6:20--
Sunset6:35-------6:34-------6:32-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C222224232222272930282727262630323328292727272525
Feels °C (?)171819181718252726242324232228312924252625252322
  • 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 Cathedral 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 Cathedral Rock at:
surf-forecast.com

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