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Surf Forecasts:

Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 am Tuesday 20 Jan 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
22.1° C
 (Which is slightly warmer than usual)

How big are the waves at Cathedral Rock today?

The current surf forecast for Cathedral Rock at 11AM is: 2.0m 16s primary swell from a West-southwest direction (forecast issued at 07:00am January 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (AWST) & DateWave HeightWave Period
Morning (20 Jan)7ft (2.1m)16s
Afternoon (20 Jan)6ft (1.9m)16s
Evening (20 Jan)5.5ft (1.7m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
2
2
4
3
1
1
3
0
0
0
1
2
1
2
2
2
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
WSW
2.2
WSW
2
WSW
1.9
WSW
1.8
WSW
1.7
WSW
1.6
WSW
1.6
WSW
1.5
WSW
1.3
WSW
1.3
WSW
1.2
WSW
1.1
WSW
1
WSW
1
WSW
1
WSW
1
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.3
W
1.9
SW
1.9
SW
1.6
SW
Period(s) (?)171616161615141414141313131313121212121214666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36852669200818111507114599698286265353649141435131229730922622622235266293216
Wind
(km/h)
30
E
30
E
15
ESE
25
SSW
35
S
30
S
20
SE
40
E
40
E
35
ENE
20
ENE
10
ESE
20
S
25
SSE
15
S
10
SE
20
NNE
20
N
15
WNW
40
SSW
40
SSW
40
SSW
40
SSW
35
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offcrosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
9:56PM
0.86
10:29PM
0.74
1:48PM
0.43
11:00PM
0.62
Low Tide
/ height (m)
6:19AM
0.21
6:36AM
0.20
6:43AM
0.21
4:10PM
0.41
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
Sunrise-5:31-------5:31-------5:31------
Sunset----7:25-------7:25-------7:24---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
clear
part cloud
Rain (mm)
------------------------
Temp. °C222229332830312624243135353130282726242121202020
Feels °C (?)161626282124261917172731302727262322231716141414
  • 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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