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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 Wednesday 21 Jan 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
22.3° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Cathedral Rock today?
The current surf forecast for Cathedral Rock at 11PM is: 1.0m 13s primary swell from a West-southwest direction (forecast issued at 07:00pm January 21). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jan) | - | - |
| Afternoon (21 Jan) | 4.5ft (1.3m) | 13s |
| Evening (21 Jan) | 3.5ft (1.0m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 19 | 10 | 10 | 16 | 16 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 451 | 414 | 341 | 292 | 278 | 274 | 367 | 614 | 177 | 228 | 236 | 206 | 213 | 183 | 178 | 236 | 587 | 652 | 651 | 1305 | 1933 | 1997 | 1883 | 1787 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross |
High Tide / height (m) | 10:29PM 0.74 | 1:48PM 0.43 | 11:00PM 0.62 | 1:41PM 0.46 | 11:22PM 0.51 | 1:56PM 0.54 | ||||||||||||||||||
Low Tide / height (m) | 6:43AM 0.21 | 4:10PM 0.41 | 6:35AM 0.24 | 5:34PM 0.41 | 6:13AM 0.27 | |||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - |
| Sunset | 7:25 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - |
 |  | | | | | | | | | |  | |  | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 32 | 30 | 29 | 29 | 26 | 24 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 17 | 16 | 18 | 19 |
| Feels °C (?) | 26 | 27 | 25 | 25 | 22 | 24 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 16 | 15 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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