Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle12 Day Weather and Surf, issued 1 am Monday 23 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
22.3° C
(Which is normal for this time of year)


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 26) at 11PM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.6m and 12s. Another secondary swell of 0.2m and 16s is also forecast. 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 14s and forecast to arrive on Sunday (Mar 01) 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 1.7m 6s period and expected on Monday (Feb 23) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 26th Feb)4.5ft (1.3m) 6s
Best Surf11PM (Thu 26th Feb)4.5ft (1.3m) 6s
Most Powerful 8PM (Sun 1st Mar)8ft (2.5m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 28°C on Wed morning, min 18°C on Mon night). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Fri morning, min 16°C on Sat night). Winds increasing (light winds from the E on Fri morning, near gales from the SSW by Sat night).

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
1
2
0
2
0
0
1
1
0
0
0
0
0
0
0
1
2
0
3
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WSW
1.9
SW
1
WSW
1.5
SW
1.6
WSW
1.9
SW
1.5
WSW
1.3
WSW
1.1
WSW
0.9
WSW
0.7
WSW
1.2
SW
0.7
WSW
1.1
SW
0.4
SW
0.4
SW
1.8
SW
2.1
SW
2.2
WSW
2.5
WSW
2.3
SW
Period(s) (?)1413131416141413131212711101312712141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)111012663578771241151285763441421712512810123152472751111197723441831
Wind
(km/h)
20
S
40
SSW
35
SE
15
SSE
40
SSW
35
E
15
WNW
25
SSW
20
S
20
S
35
SSW
20
S
10
WNW
30
SW
35
SSW
35
SSW
50
SSW
35
SSE
35
S
50
SSW
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
oncross-
off
cross-
off
cross-
off
cross-
off
cross-
off
oncrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
1:20PM
0.83
2:19PM
0.91
3:43PM
0.97
5:18PM
1.01
6:37PM
1.02
7:39PM
0.98
8:29PM
0.91
Low Tide
/ height (m)
2:37AM
0.31
2:54AM
0.28
3:22AM
0.26
3:52AM
0.25
4:20AM
0.26
4:43AM
0.27
4:59AM
0.28
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
Sunrise6:01--6:01--6:03--6:03--6:05--6:05--6:05--
Sunset-7:00--6:59--6:58--6:57--6:55--6:54--6:53-
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C202021242327282722222123272622201918171921
Feels °C (?)17141421182425232121182224232115128101015
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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