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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 Monday 11 May 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
21.7° 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 4AM is: 0.7m 14s primary swell from a West-southwest direction and 0.9m 4s secondary swell from a North direction (forecast issued at 01:00am May 11). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 14s |
| Afternoon (11 May) | 3ft (0.9m) | 13s |
| Evening (11 May) | 3ft (0.9m) | 12s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Tue afternoon, min 17°C on Wed night). Winds decreasing (fresh winds from the NNE on Mon morning, calm by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | W 14 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 16 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | |
192 | 189 | 243 | 304 | 229 | 367 | 339 | 203 | 425 | 437 | 537 | 608 | 786 | 721 | 1533 | 2070 | 3072 | 3642 | 3874 | 3979 | 3626 | 3296 | 2779 | 2471 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | glassy | cross | cross | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | |
High Tide | 10:01AM0.71m | 4:07PM0.74m | 7:59AM0.71m | 6:16PM0.69m | 7:32AM0.78m | 8:07PM0.66m | ||||||||||||||||||
Low Tide | 00:25AM0.47m | 11:38AM0.71m | 00:34AM0.49m | 1:16PM0.62m | 00:43AM0.53m | 2:19PM0.54m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | |  | | | |  | | |
 | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 18 | 19 | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 19 | 21 | 22 | 21 | 21 | 20 | 19 | 19 | 20 | 21 | 21 | 20 | 19 |
12 | 10 | 10 | 12 | 16 | 17 | 19 | 19 | 17 | 14 | 13 | 14 | 17 | 20 | 20 | 19 | 17 | 14 | 14 | 16 | 19 | 19 | 19 | 17 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | W 11 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
 kJ | 192 | 189 | 243 | 304 | 229 | 367 | 339 | 189 | 425 | 437 | 537 | 608 | 786 | 418 | 1533 | 2070 | 3072 | 3642 | 3874 | 3979 | 3626 | 3296 | 2779 | 2471 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 16 | W 16 | — | NW 6 | W 14 | NW 6 | NW 5 | W 18 | W 17 | W 16 | WSW 16 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 129 | 129 | — | 32 | 203 | 19 | 10 | 6 | 93 | 135 | 721 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 15 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 159 | 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | N 4 | N 5 | NNW 5 | NW 6 | NW 6 | — | — | — | NE 2 | N 3 | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | 25 | 42 | 66 | 47 | 47 | — | — | — | 1 | 7 | 11 | 9 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 35 | 121 | 253 | 318 | 325 | 355 | 318 | 1 | 7 | 7 | 1 | 7 | 7 | 258 | 56 | 0 | 1 | 1 | 7 | 7 | 355 | 417 | 144 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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