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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 7 pm Friday 17 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
22.1° 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 12AM is: 1.9m 6s primary swell from a West direction and 0.2m 20s secondary swell from a West-southwest direction (forecast issued at 07:00pm April 17). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 8ft (2.4m) | 11s |
| Afternoon (18 Apr) | 7ft (2.2m) | 11s |
| Evening (18 Apr) | 6.5ft (2.0m) | 11s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 6 | 7 | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 604 | 163 | 297 | 405 | 766 | 1268 | 1324 | 1163 | 1163 | 1034 | 942 | 731 | 655 | 630 | 1214 | 1043 | 1074 | 1042 | 908 | 894 | 894 | 958 | 1077 | 1178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | glass | glass | glass | cross | cross- off | cross- off | cross- off | glass | on | on | on |
High Tide / height (m) | 11:18PM 0.62 | 9:44AM 0.97 | 10:14AM 1.06 | 10:47AM 1.12 | ||||||||||||||||||||
Low Tide / height (m) | 4:43PM 0.41 | 2:25AM 0.59 | 5:56PM 0.41 | 7:28PM 0.43 | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - |
| Sunset | 5:54 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - |
 |  |  |  |  |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 |
| Feels °C (?) | 14 | 16 | 13 | 12 | 12 | 14 | 14 | 14 | 15 | 14 | 15 | 14 | 15 | 16 | 15 | 16 | 14 | 14 | 15 | 15 | 16 | 16 | 14 | 13 |
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Break
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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