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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 am Tuesday 26 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
21.4° 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 1PM is: 0.4m 20s primary swell from a West-southwest direction and 0.6m 11s secondary swell from a West direction, 0.6m 13s secondary swell from a West-southwest direction, 1.0m 6s secondary swell from a North-northwest direction (forecast issued at 07:00am May 26). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 2.5ft (0.7m) | 13s |
| Afternoon (26 May) | 1.5ft (0.4m) | 20s |
| Evening (26 May) | 3ft (0.9m) | 18s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Wed night. Warm (max 21°C on Tue afternoon, min 17°C on Tue morning). Winds increasing (light winds from the NW on Tue night, strong winds from the NNW by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 13 | WSW 13 | WSW 20 | W 19 | WSW 18 | WSW 18 | W 18 | WSW 17 | WSW 16 | WSW 16 | W 16 | W 16 | W 15 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | WSW 12 | WSW 12 | |
213 | 204 | 151 | 128 | 267 | 442 | 528 | 625 | 827 | 797 | 916 | 1160 | 1281 | 1032 | 4982 | 3999 | 3869 | 3485 | 3135 | 2884 | 2460 | 2088 | 1590 | 1294 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | |
High Tide | 7:24AM0.71m | 7:08AM0.80m | 7:26AM0.91m | |||||||||||||||||||||
Low Tide | 4:06PM0.50m | 4:18PM0.47m | 4:44PM0.46m | |||||||||||||||||||||
 |  | | |  | | | | | | | |  |  |  | |  | | | | |  | | | |
 | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 7 | 1 | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 18 | 20 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 18 | 18 | 17 | 17 | 17 |
10 | 9 | 10 | 14 | 17 | 19 | 17 | 14 | 12 | 12 | 13 | 14 | 12 | 12 | 13 | 14 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | W 11 | W 19 | WSW 18 | WSW 18 | W 18 | WSW 17 | WSW 16 | WSW 16 | W 16 | W 16 | W 15 | — | — | — | — | W 13 | W 13 | W 13 | W 13 | WSW 12 | WSW 12 |
 kJ | 213 | 204 | 151 | 84 | 267 | 442 | 528 | 625 | 827 | 797 | 916 | 1160 | 1281 | 1032 | — | — | — | — | 683 | 2884 | 2460 | 2088 | 1590 | 1294 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | WSW 13 | W 11 | NW 6 | WSW 12 | W 12 | W 11 | W 11 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 103 | 97 | 87 | 114 | 84 | 47 | 176 | 169 | 112 | 112 | 171 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 22 | W 21 | WSW 21 | WSW 20 | WSW 13 | W 11 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 36 | 84 | 128 | 113 | 82 | 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | NNW 5 | NNW 6 | NW 6 | — | — | NNW 6 | NNW 5 | NNW 4 | NW 10 | WNW 10 | WNW 8 | WNW 8 | W 15 | W 14 | W 14 | W 14 | W 13 | — | — | — | — | — |
| kJ | 25 | 48 | 56 | 65 | 65 | — | — | 27 | 32 | 47 | 477 | 648 | 575 | 798 | 4982 | 3999 | 3869 | 3485 | 3135 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 121 | 121 | 318 | 318 | 258 | 7 | 7 | 48 | 299 | 299 | 318 | 355 | 318 | 363 | 355 | 355 | 377 | 417 | 1138 | 1775 | 1775 | 209 | 299 | 173 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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