Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 7 pm Monday 11 May 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
21.8° C
(Which is normal for this time of year)

How big are the waves at Cathedral Rock today?

The current surf forecast for Cathedral Rock at 10PM is: 0.9m 12s primary swell from a West-southwest direction and 0.7m 6s secondary swell from a Northwest direction (forecast issued at 07:00pm May 11). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (11 May)--
Afternoon (11 May)3ft (0.9m)13s
Evening (11 May)3ft (0.9m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 22°C on Mon night, min 17°C on Thu morning). Winds increasing (calm on Tue night, fresh winds from the SW by Thu afternoon).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
4
4
2
1
1
1
1
2
2
4
3
3
3
3
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
WSW
13
1
WSW
13
0.7
W
14
1
WSW
14
1.1
WSW
13
1.3
WSW
12
1.4
WSW
12
1.6
W
13
1.2
WSW
16
1.9
WSW
14
2.2
WSW
14
2.5
WSW
15
3
WSW
15
3
WSW
15
3
WSW
15
3
WSW
15
2.5
WSW
15
2.5
WSW
15
2.5
WSW
14
2.5
WSW
14
2.4
WSW
14
2.3
WSW
14
2.2
WSW
13
2.3
WSW
13
Wave Graph
Metric surfscale
Energy kJ
367
339
203
425
437
537
608
865
721
1533
1895
2817
3341
3626
3724
3724
3114
2817
2541
2460
2151
1958
1778
1783
Wind (km/h)
20
NW
15
NNW
15
NNE
20
NNE
20
NNE
25
NNE
20
N
15
WNW
15
WSW
5
SSE
10
ENE
15
NE
20
N
20
N
15
NNW
15
W
15
WSW
20
SW
15
SW
15
SSW
20
S
20
SSE
20
S
30
SW
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
glassy
cross-off
cross
cross-on
cross-on
on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
4:07PM0.74m
7:59AM0.71m
6:16PM0.69m
7:32AM0.78m
8:07PM0.66m
7:44AM0.89m
Low Tide
00:34AM0.49m
1:16PM0.62m
00:43AM0.53m
2:19PM0.54m
00:48AM0.59m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:30
5:30
5:30
1
1
Temp °C
22
22
21
19
19
18
19
22
22
21
21
20
19
19
20
21
21
20
20
19
18
17
17
17
18
20
19
15
14
12
14
18
19
21
19
16
15
15
17
19
19
19
19
17
16
14
14
11
Swell 1
Height (m)
Direction
Period (s)
1
WSW
13
1
WSW
13
0.8
WSW
12
1
WSW
14
1.1
WSW
13
1.3
WSW
12
1.4
WSW
12
1.6
W
13
1.3
W
11
1.9
WSW
14
2.2
WSW
14
2.5
WSW
15
3
WSW
15
3
WSW
15
3
WSW
15
3
WSW
15
2.5
WSW
15
2.5
WSW
15
2.5
WSW
14
2.5
WSW
14
2.4
WSW
14
2.3
WSW
14
2.2
WSW
13
2.3
WSW
13
Energy kJ
367
339
189
425
437
537
608
865
433
1533
1895
2817
3341
3626
3724
3724
3114
2817
2541
2460
2151
1958
1778
1783
Swell 2
Height (m)
Direction
Period (s)
0.8
NW
6
0.7
NW
6
0.6
NW
6
0.5
NW
5
0.1
W
18
0.4
W
17
0.5
W
16
1.2
WSW
16
Energy kJ
40
32
25
14
6
93
135
721
Swell 3
Height (m)
Direction
Period (s)
0.6
W
15
0.7
W
14
Energy kJ
159
203
Wind waves
Height (m)
Direction
Period (s)
0.8
NW
6
0.4
NE
2
0.6
N
5
0.5
NNW
5
Energy kJ
49
1
19
13
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
2
2
3
3
5
4
4
4
4
5
5
4
4
4
4
4
4
4
4
4
4
Distance (km)
318
1
7
7
7
7
7
258
258
0
0
1
7
35
340
629
360
177
0
64
124
33
173
173
Best forecast wave conditions in Rottnest Island
Rating
(10 max)
3
2
2
2
3
3
4
4
4
5
4
Best forecast wave conditions in Australia
Rating
(10 max)
3
4
4
4
5
4
5
5
4
5
7
5
5
5
6
4
4
5
6
5
5
8
4
4
Header Global
Rating
(10 max)
5
4
5
9
5
5
9
5
9
9
8
9
9
8
6
8
7
6
6
9
9
5
9
5
  • 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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