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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 pm 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 (27 May):
- Afternoon surf: Afternoon surf (27 May, local time) - 5ft (1.5m), 16s period with W swell.
- Evening surf: Evening surf (27 May, local time) - 10ft (3.0m), 15s period with W swell.
The current surf forecast for Cathedral Rock at 11PM is: 3.5m 15s primary swell from a West direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | - | - |
| Afternoon (27 May) | 5ft (1.5m) | 16s |
| Evening (27 May) | 10ft (3.0m) | 15s |
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 11mm), heaviest on Wed night. Warm (max 20°C on Wed night, min 15°C on Sat morning). Winds decreasing (strong winds from the NW on Wed night, calm by Fri night). | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 16 | W 15 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | W 11 | W 11 | SW 11 | SW 10 | SW 10 | SW 11 | SW 11 | WSW 14 | |
1281 | 3821 | 4430 | 4238 | 3609 | 3065 | 2542 | 2340 | 2157 | 1808 | 1356 | 1064 | 969 | 718 | 572 | 486 | 272 | 229 | 233 | 208 | 170 | 166 | 172 | 133 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross | glassy | glassy | cross-off | glassy | glassy | cross-off | cross-off | cross | cross-on | |
High Tide | 7:26AM0.91m | 7:53AM1.02m | 8:22AM1.12m | |||||||||||||||||||||
Low Tide | 4:18PM0.47m | 4:44PM0.46m | 5:15PM0.48m | |||||||||||||||||||||
 |  | |  |  |  |  | | |  | | | |  | | | | | |  | | | | | |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:22 |
2 | 4 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 17 |
17 | 13 | 14 | 14 | 12 | 11 | 13 | 12 | 13 | 13 | 14 | 15 | 14 | 13 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 12 | 13 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 16 | W 15 | — | — | — | — | — | W 13 | W 13 | WSW 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | W 11 | SW 10 | SW 11 | SW 10 | SW 10 | SW 11 | SW 11 | SW 10 |
 kJ | 1281 | 1297 | — | — | — | — | — | 2340 | 2157 | 1808 | 1356 | 1064 | 969 | 718 | 572 | 486 | 272 | 200 | 233 | 208 | 170 | 166 | 172 | 106 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | SW 12 | SW 12 | W 11 | W 10 | W 11 | W 10 | W 10 | W 10 | WSW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 87 | 87 | 169 | 268 | 229 | 172 | 141 | 106 | 90 | 65 | 133 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 18 | SW 16 | WSW 16 | SW 16 | WSW 15 | WSW 15 | SW 14 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 11 | 25 | 64 | 92 | 85 | 102 | 47 |
Wind waves Height (m) Direction Period (s) | WNW 8 | W 15 | W 15 | W 14 | W 14 | W 14 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 501 | 3821 | 4430 | 4238 | 3609 | 3065 | 2542 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 363 | 355 | 355 | 355 | 377 | 916 | 1138 | 209 | 360 | 174 | 144 | 174 | 144 | 144 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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