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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 Wednesday 27 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
21.6° 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 5AM is: 1.2m 17s primary swell from a West-southwest direction and 0.7m 11s secondary swell from a West direction, 1.0m 5s secondary swell from a North-northwest direction (forecast issued at 01:00am May 27). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 4.5ft (1.3m) | 16s |
| Afternoon (27 May) | 5ft (1.5m) | 16s |
| Evening (27 May) | 5.5ft (1.7m) | 15s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Wed night. Warm (max 21°C on Wed afternoon, min 17°C on Thu night). Winds decreasing (strong winds from the W on Wed night, light winds from the WSW by Fri night). | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 18 | WSW 17 | WSW 16 | WSW 16 | W 16 | W 16 | W 15 | W 15 | W 10 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | W 11 | W 11 | W 11 | SW 11 | |
625 | 827 | 927 | 916 | 1160 | 1281 | 1297 | 5567 | 3300 | 4403 | 3264 | 2733 | 2545 | 2187 | 1808 | 1382 | 1200 | 969 | 711 | 576 | 418 | 267 | 229 | 242 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | |
High Tide | 7:08AM0.80m | 7:26AM0.91m | 7:53AM1.02m | |||||||||||||||||||||
Low Tide | 4:18PM0.47m | 4:44PM0.46m | 5:15PM0.48m | |||||||||||||||||||||
 | |  | | |  |  | |  |  |  |  | | | | | | |  | | | |  | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
— | — | — | — | — | 2 | 4 | 3 | 8 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 21 | 18 | 20 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 |
13 | 13 | 14 | 15 | 17 | 15 | 13 | 14 | 10 | 13 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | W 18 | WSW 17 | WSW 16 | WSW 16 | W 16 | W 16 | W 15 | — | — | — | — | — | W 13 | W 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | W 11 | W 11 | W 11 | SW 11 |
 kJ | 625 | 827 | 927 | 916 | 1160 | 1281 | 1297 | — | — | — | — | — | 2545 | 2187 | 1808 | 1382 | 1200 | 969 | 711 | 576 | 418 | 267 | 229 | 242 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | SW 11 | SW 12 | SW 10 | W 10 |
| kJ | 171 | 116 | 146 | 136 | 121 | — | — | — | — | — | — | — | — | — | — | — | — | — | 89 | 87 | 150 | 232 | 212 | 172 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 18 | WSW 16 | WSW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 26 | 25 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NW 6 | NW 6 | NW 7 | WNW 8 | WNW 8 | W 15 | W 10 | W 14 | W 14 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 37 | 48 | 75 | 177 | 284 | 527 | 751 | 5567 | 3300 | 4403 | 3264 | 2733 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 299 | 299 | 309 | 345 | 355 | 258 | 325 | 355 | 355 | 363 | 377 | 629 | 1775 | 1650 | 144 | 144 | 144 | 144 | 144 | 144 | 144 | 144 | 166 | 118 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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