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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 am Saturday 21 Mar 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
22.8° 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 8AM is: 1.5m 14s primary swell from a Southwest direction (forecast issued at 01:00am March 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4.5ft (1.4m) | 14s |
| Afternoon (21 Mar) | 4.5ft (1.3m) | 13s |
| Evening (21 Mar) | 3.5ft (1.0m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 8 | 14 | 14 | 14 | 13 | 6 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 667 | 742 | 538 | 840 | 661 | 651 | 479 | 418 | 402 | 352 | 413 | 443 | 486 | 1086 | 354 | 357 | 269 | 796 | 772 | 649 | 479 | 437 | 370 | 358 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | off | off |
High Tide / height (m) | 11:09PM 0.57 | 10:52AM 0.79 | 12:05AM 0.50 | 11:19AM 0.88 | 11:52AM 0.96 | |||||||||||||||||||
Low Tide / height (m) | 3:53AM 0.45 | 6:24PM 0.39 | 3:19AM 0.47 | 8:41PM 0.41 | ||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:27 | - | - | - | - | - | - | - | 6:25 | - |
 | | |  | | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 18 | 20 | 21 | 23 | 26 | 20 | 18 | 18 | 18 | 21 | 24 | 25 | 21 |
| Feels °C (?) | 24 | 23 | 23 | 24 | 23 | 18 | 18 | 18 | 16 | 16 | 15 | 14 | 17 | 16 | 18 | 20 | 14 | 12 | 12 | 12 | 16 | 19 | 19 | 14 |
- Map Icons:
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
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