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Cathedral Rock Surf Forecast
/ WA – Rottnest Island (6 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Cathedral Rock surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 1 pm Monday 20 Apr 2026 AWSTForecast 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
21.9° 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 8PM is: 1.5m 14s primary swell from a West-southwest direction and 0.7m 18s secondary swell from a West-southwest direction, 2.3m 6s secondary swell from a West-northwest direction (forecast issued at 01:00pm April 20). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 6ft (1.8m) | 13s |
| Afternoon (20 Apr) | 6ft (1.8m) | 14s |
| Evening (20 Apr) | 5ft (1.5m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 15 | 14 | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1093 | 1178 | 1225 | 886 | 1927 | 3558 | 3721 | 3489 | 4010 | 4031 | 3809 | 3313 | 2809 | 2412 | 1995 | 1699 | 1359 | 1217 | 995 | 838 | 711 | 722 | 880 | 1170 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:47AM 1.12 | 11:23AM 1.14 | 12:02PM 1.11 | |||||||||||||||||||||
Low Tide / height (m) | 9:23PM 0.43 | 11:19PM 0.42 | 12:32AM 0.40 | |||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 |
| Sunset | - | - | 5:52 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - |
 | | |  |  |  | | | | | | |  |  | |  | | | | | | | |  | |
Rain (mm) | - | - | - | 1 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 20 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 18 | 19 | 19 |
| Feels °C (?) | 14 | 12 | 11 | 11 | 6 | 5 | 6 | 7 | 9 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 11 | 13 | 13 | 14 | 14 | 15 | 16 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
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