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Surf Forecasts:

Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle12 Day Weather and Surf, issued 7 am Saturday 22 Nov 2025 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
20.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Cathedral Rock this week:

The surf forecast for Cathedral Rock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 28) at 8AM. The primary swell is predicted to be 2.0m and 15s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cathedral Rock in the next 12 days are 2.1m 16s and forecast to arrive on Friday (Nov 28) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Friday (Nov 28) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 28th Nov)6.5ft (2.0m) 15s
Best Surf 8AM (Fri 28th Nov)6.5ft (2.0m) 15s
Most Powerful 5AM (Fri 28th Nov)7ft (2.1m) 16s

Table - best surf conditions forecast for Cathedral Rock over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Sat night. Warm (max 20°C on Sat morning, min 16°C on Mon morning). Winds increasing (light winds from the W on Sat morning, strong winds from the WSW by Sun afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Wed afternoon, min 14°C on Thu night). Winds increasing (light winds from the WSW on Wed morning, strong winds from the S by Thu night).

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
1
2
3
3
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
WSW
0.7
WSW
1.7
WSW
2.2
WSW
3
WSW
3
WSW
2
WSW
2
WSW
1.7
WSW
1.6
WSW
1.5
WSW
1.4
SW
1.1
WSW
1
WSW
0.9
WSW
1.1
WSW
1.2
WSW
1.8
WSW
1.9
WSW
1.6
WSW
1.3
WSW
Period(s) (?)13126791110131212111010916151516151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)294155213513123016948591246761658527450240180357512612159115161031606
Wind
(km/h)
25
WNW
35
W
35
WSW
45
WSW
50
WSW
40
SW
25
SW
30
SW
20
SW
25
SW
25
SSW
20
SW
10
WNW
25
WSW
30
SSW
25
SSW
35
SSW
35
SSE
15
SSW
35
SSW
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
on		crosscrosscrosscrosscrosscrosscross-
off		crosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off
High Tide
/ height (m)
9:38PM
1.04
10:00PM
1.02
10:24PM
0.97
10:52PM
0.88
11:23PM
0.77
11:54PM
0.64
9:07PM
0.53
Low Tide
/ height (m)
7:42AM
0.32
8:34AM
0.31
9:24AM
0.29
10:06AM
0.27
10:38AM
0.26
10:59AM
0.28
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Sunrise5:07--5:05--5:05--5:05--5:05--5:05--5:05--
Sunset-7:00--7:01--7:02--7:02--7:04--7:05--7:06-
part cloud
part cloud
thunderstorm
part cloud
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
Rain (mm)
--2-2----------------
Temp. °C202019171717161718171818181917171717151717
Feels °C (?)191613777101113121313171611111010121210
  • 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

Information about the Cathedral Rock Surf forecast

The above surf forecast table for Cathedral Rock provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cathedral Rock can be found by selecting the local surf guide option on the grey menu. Our Cathedral Rock surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cathedral Rock) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Cathedral Rock may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Cathedral Rock is 31 km (19 miles) from the very large city of Fremantle. If you plan a holiday in Rottnest Island, look for hotels and other accommodation in Fremantle. Fremantle has rooms for a wide range of budgets as well as cheap car hire and transport links.

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