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Surf Forecasts:
Cathedral Rock surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 7 pm Sunday 07 Dec 2025 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
20.8° C
(Which is slightly warmer than usual)How big are the waves at Cathedral Rock today?
The current surf forecast for Cathedral Rock at 11PM is: 0.7m 14s primary swell from a West-southwest direction and 0.8m 11s secondary swell from a West-southwest direction (forecast issued at 07:00pm December 07). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | - | - |
| Afternoon (07 Dec) | 3ft (0.9m) | 11s |
| Evening (07 Dec) | 3ft (0.9m) | 11s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 14 | 14 | 11 | 10 | 10 | 10 | 6 | 6 | 6 | 7 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 183 | 186 | 180 | 178 | 176 | 355 | 341 | 488 | 224 | 307 | 282 | 200 | 183 | 427 | 757 | 961 | 1475 | 437 | 504 | 504 | 951 | 760 | 640 | 733 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross |
High Tide / height (m) | 10:13PM 1.02 | 10:37PM 0.91 | 10:49PM 0.77 | |||||||||||||||||||||
Low Tide / height (m) | 9:00AM 0.22 | 9:50AM 0.24 | 10:22AM 0.25 | |||||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:14 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - |
 |  | | | | | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 17 | 18 | 19 | 19 | 20 | 21 | 20 | 18 | 18 | 19 | 20 |
| Feels °C (?) | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 15 | 13 | 12 | 13 | 15 | 14 | 14 | 14 | 13 | 12 | 14 | 19 | 16 | 15 | 16 | 16 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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