Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 1 am Saturday 23 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 7AM is: 1.5m 12s primary swell from a West-southwest direction (forecast issued at 01:00am May 23). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AWST) & DateWave HeightWave Period
Morning (23 May)4.5ft (1.4m)12s
Afternoon (23 May)4.5ft (1.3m)12s
Evening (23 May)4ft (1.2m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 12°C on Sat morning). Winds increasing (calm on Sat afternoon, fresh winds from the NE by Mon night).

Saturday
23
Sunday
24
Monday
25
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
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
2
2
2
1
2
1
2
0
1
0
2
2
2
2
1
0
0
0
0
1
2
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
WSW
12
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.3
WSW
12
1.2
WSW
12
1.1
WSW
12
1
WSW
11
0.9
WSW
11
0.9
WSW
11
0.8
WSW
11
0.8
WSW
15
1
WSW
14
1.2
WSW
14
1.2
WSW
13
1.2
WSW
13
1.1
WSW
13
1
WSW
13
0.9
WSW
13
1.1
WSW
16
1.1
WSW
15
1.2
WSW
14
0.9
WSW
14
Wave Graph
Metric surfscale
Energy kJ
658
636
527
491
491
429
399
336
261
190
186
140
242
394
522
499
484
373
307
303
546
485
549
294
Wind (km/h)
25
ESE
15
ESE
10
E
5
ESE
5
S
10
SW
10
SSE
15
ESE
15
ENE
20
ENE
20
NE
15
NE
5
NNE
10
SSW
20
SE
15
E
25
NE
25
NE
30
NE
25
NE
15
N
5
W
15
ENE
25
NE
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross-off
off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-off
cross
High Tide
12:30PM0.82m
10:07AM0.70m
8:37AM0.67m
Low Tide
00:14AM0.44m
00:31AM0.46m
00:10AM0.49m
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:23
5:23
Temp °C
13
13
12
12
13
13
14
14
14
13
13
13
15
17
17
16
16
15
14
16
19
20
20
18
8
9
9
10
12
10
11
10
11
9
9
9
13
14
13
12
11
9
7
10
15
18
17
12
Swell 1
Height (m)
Direction
Period (s)
1.5
WSW
12
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.3
WSW
12
1.2
WSW
12
1.1
WSW
12
1
WSW
11
0.9
WSW
11
0.9
WSW
11
0.8
WSW
11
0.8
WSW
15
1
WSW
14
1.2
WSW
14
1.2
WSW
13
1.2
WSW
13
1.1
WSW
13
1
WSW
13
0.9
WSW
13
1.1
WSW
16
1.1
WSW
15
1.2
WSW
14
0.9
WSW
14
Energy kJ
658
636
527
491
491
429
399
336
261
190
186
133
242
394
522
499
484
373
307
303
546
485
549
294
Swell 2
Height (m)
Direction
Period (s)
0.1
W
18
0.1
SW
18
0.2
WSW
16
0.2
WSW
16
0.3
WSW
16
0.4
SW
16
0.5
WSW
16
0.7
WSW
11
0.6
WSW
11
0.3
WSW
18
0.4
WSW
18
0.5
W
17
0.5
WSW
16
0.5
WSW
16
0.5
WSW
16
0.3
NNW
4
0.3
N
5
0.8
W
14
Energy kJ
6
12
26
26
51
66
140
103
88
64
120
149
147
149
149
4
4
261
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
20
0.2
WSW
20
0.2
WSW
18
0.1
NW
5
Energy kJ
15
38
31
1
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
2
0.4
NE
3
0.4
NE
3
0.5
NE
3
0.6
NE
3
0.5
NNE
4
0.4
NNE
4
0.4
NE
3
Energy kJ
1
2
2
4
9
7
4
2
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
2
1
2
2
2
2
2
2
2
2
2
2
3
3
3
2
3
2
2
3
Distance (km)
3
3
0
0
0
144
0
3
0
1
1
1
0
0
0
0
1
35
35
1
1
28
0
7
Best forecast wave conditions in Rottnest Island
Rating
(10 max)
3
3
3
2
2
2
2
2
2
2
2
2
2
3
3
3
2
3
3
3
Best forecast wave conditions in Australia
Rating
(10 max)
6
6
4
4
4
4
4
6
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
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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