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Surf Forecasts:

Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 am Saturday 17 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
21.9° C
 (Which is slightly warmer than usual)

How big are the waves at Cathedral Rock today?

The current surf forecast for Cathedral Rock at 10AM is: 1.1m 14s primary swell from a West-southwest direction and 0.5m 18s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a Southwest direction (forecast issued at 07:00am January 17). The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (17 Jan)3.5ft (1.1m)14s
Afternoon (17 Jan)4.5ft (1.3m)14s
Evening (17 Jan)4.5ft (1.3m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tue
20
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)
1
2
0
0
1
0
0
2
2
3
2
1
0
0
1
0
1
1
1
1
1
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
WSW
1.1
WSW
1.2
WSW
1.3
WSW
1.3
WSW
1.3
WSW
1.3
WSW
1.3
WSW
1.4
WSW
1.7
WSW
1.7
WSW
1.7
WSW
1.9
SW
1.4
WSW
1.3
WSW
1.2
WSW
1.2
WSW
1.4
SW
1.4
WSW
1.4
SW
1.2
WSW
1.7
WSW
2.4
WSW
2.5
WSW
Period(s) (?)141414141414131313131313131313131212131320191817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5944945697026726436246157001045104593612696795514694476276016681134206735313876
Wind
(km/h)
30
SSW
25
SSW
25
SW
25
SW
30
SSW
40
S
35
S
30
SSE
25
SE
20
SE
20
S
30
SSW
40
SSW
40
S
35
S
30
SSE
30
SE
20
ESE
20
SSW
30
SSW
35
S
35
S
30
SSE
30
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
8:11PM
1.07
8:46PM
1.03
9:21PM
0.96
Low Tide
/ height (m)
5:14AM
0.29
5:35AM
0.27
5:58AM
0.24
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-5:28-------5:28-------5:30------
Sunset----7:27-------7:27-------7:25---
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C191920202019181716151718191920201919232323232527
Feels °C (?)141616161513121111111312121315151415191718182021
  • 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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