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Surf Forecasts:

Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle12 Day Weather and Surf, issued 1 am Thursday 12 Feb 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
22.7° 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 Thursday (Feb 12) at 11PM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.6m and 4s. 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 2.5m 17s and forecast to arrive on Monday (Feb 16) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Tuesday (Feb 17) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 12th Feb)3ft (0.9m) 12s
Best Surf 8AM (Tue 17th Feb)4.5ft (1.3m) 15s
Most Powerful 8PM (Mon 16th Feb)8ft (2.5m) 17s

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 Mostly dry. Warm (max 25°C on Fri afternoon, min 16°C on Thu morning). Winds increasing (light winds from the ENE on Fri morning, strong winds from the SSW by Sat afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Tue night, min 18°C on Sun morning). Winds decreasing (near gales from the S on Sun night, moderate winds from the S by Tue morning).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
2
0
0
1
0
1
0
1
1
2
2
0
2
2
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
1
SW
0.7
SW
0.7
SW
0.5
WSW
0.8
WSW
0.9
WSW
1
WSW
1
WSW
1.9
SW
2.2
SW
1.1
WSW
2.3
SW
1.3
WSW
1.5
SW
1.8
SW
1.2
WSW
1.4
SW
1.3
WSW
1.2
WSW
Period(s) (?)12121211112018171615148131816141414131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)216205259121119218360459481493148453041431458329281318486623555417
Wind
(km/h)
20
E
35
SSW
30
E
10
ENE
25
SSW
20
SE
25
SW
40
SSW
30
S
30
S
45
SSW
40
SSE
30
S
45
SSW
35
SE
20
S
35
SSW
25
SE
10
SE
30
SSW
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		offoffcross-
off		cross-
off
High Tide
/ height (m)
5:32PM
0.98
6:27PM
1.02
7:15PM
1.02
8:00PM
0.98
8:43PM
0.92
12:16PM
0.52
9:24PM
0.83
11:54AM
0.49
10:04PM
0.73
Low Tide
/ height (m)
4:16AM
0.34
4:23AM
0.33
4:36AM
0.30
4:52AM
0.27
5:08AM
0.24
2:15PM
0.51
5:21AM
0.24
3:21PM
0.44
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise5:52--5:52--5:54--5:54--5:56--5:56--5:56--
Sunset-7:10--7:09--7:08--7:07--7:07--7:07--7:06-
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C202121232524242120192021202022202124282924
Feels °C (?)161719212121211715161515161416171619252420
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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:
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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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