Cathedral Rock surfForecast / WA – Rottnest Island / Australia

information circle48hr Weather and Surf, issued 1 am Thursday 23 Apr 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
21.7° 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 9AM is: 3.0m 13s primary swell from a West-southwest direction (forecast issued at 01:00am April 23). The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (23 Apr)10ft (3.0m)13s
Afternoon (23 Apr)10ft (3.0m)12s
Evening (23 Apr)8ft (2.5m)13s

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. Very mild (max 19°C on Thu afternoon, min 15°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu morning, light winds from the ESE by Sat morning).

Thursday
23
Friday
24
Saturday
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)
0
0
0
0
1
2
3
2
1
1
2
2
2
3
3
3
3
3
3
3
2
1
1
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
WSW
13
1.3
WSW
13
3
WSW
13
3.5
WSW
13
3
WSW
12
3
WSW
12
2.5
WSW
13
2.5
WSW
13
2.5
WSW
14
2.5
WSW
14
2.5
WSW
14
2.4
WSW
14
2.2
WSW
14
2.2
WSW
14
2
WSW
14
1.9
WSW
13
1.8
WSW
13
1.8
WSW
13
1.8
WSW
13
1.7
WSW
13
1.7
WSW
13
1.7
WSW
13
1.6
WSW
13
1.6
WSW
13
Wave Graph
Metric surfscale
Energy kJ
569
587
2999
3462
2825
2391
2154
2253
2287
2355
2245
2079
1831
1683
1387
1243
1127
1110
1077
928
914
928
848
799
Wind (km/h)
40
WNW
45
NW
45
WSW
40
WSW
30
WSW
20
WSW
15
WSW
10
WNW
15
WNW
20
WSW
15
WSW
15
SW
20
SW
20
SSW
15
S
20
SE
15
SE
20
SE
20
ESE
10
ESE
20
S
30
S
30
SSE
25
SSE
on
on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
High Tide
12:46PM1.04m
1:47PM0.94m
3:55PM0.83m
Low Tide
00:32AM0.40m
1:23AM0.39m
1:58AM0.40m
cloud
part cloud
light rain
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:46
5:45
2
Temp °C
19
20
18
18
18
19
18
18
18
18
18
18
18
19
19
18
17
16
15
16
18
19
19
18
11
12
9
10
12
14
14
15
14
15
15
15
14
15
16
15
15
13
12
14
14
14
15
14
Swell 1
Height (m)
Direction
Period (s)
1.3
WSW
13
1.3
WSW
13
3
WSW
12
3
WSW
12
2.5
WSW
13
2.5
WSW
13
2.5
WSW
14
2.5
WSW
14
2.5
WSW
14
2.4
WSW
14
2.2
WSW
14
2.2
WSW
14
2
WSW
14
1.9
WSW
13
1.8
WSW
13
1.8
WSW
13
1.8
WSW
13
1.7
WSW
13
1.7
WSW
13
1.7
WSW
13
1.6
WSW
13
1.6
WSW
13
Energy kJ
569
587
2825
2391
2154
2253
2287
2355
2245
2079
1831
1683
1387
1243
1127
1110
1077
928
914
928
848
799
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
21
0.5
W
12
0.4
W
12
Energy kJ
43
71
46
Swell 3
Height (m)
Direction
Period (s)
0.4
WSW
20
Energy kJ
131
Wind waves
Height (m)
Direction
Period (s)
1.1
W
5
1.8
W
6
3
WSW
13
3.5
WSW
13
0.5
SSW
3
0.7
S
4
0.7
S
4
Energy kJ
54
235
2999
3462
6
13
14
Nearest Offshore or Glassy
Rating
(10 max)
4
2
3
3
3
3
4
4
5
4
4
5
3
4
4
3
3
3
3
3
2
2
2
3
Distance (km)
363
452
1650
1775
1650
1138
144
299
355
299
44
355
417
64
28
0
0
0
0
0
144
144
144
0
Best forecast wave conditions in Rottnest Island
Rating
(10 max)
3
3
4
4
3
3
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
5
5
4
5
5
5
5
5
5
4
5
4
5
5
4
4
4
4
4
5
4
Header Global
Rating
(10 max)
9
8
9
6
6
5
5
5
5
4
5
5
5
6
5
5
5
5
4
4
5
5
4
4
  • 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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