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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 pm Saturday 16 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
22.1° C
(Which is slightly warmer than usual)How big are the waves at Cathedral Rock today?
The current surf forecast for Cathedral Rock at 9PM is: 1.4m 13s primary swell from a West-southwest direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 6ft (1.8m) | 14s |
| Afternoon (16 May) | 5ft (1.6m) | 13s |
| Evening (16 May) | 4.5ft (1.4m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Sun night, min 17°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | |
1018 | 888 | 824 | 711 | 591 | 451 | 443 | 429 | 421 | 407 | 400 | 393 | 393 | 386 | 329 | 329 | 323 | 326 | 326 | 348 | 409 | 475 | 547 | 575 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | off | off | cross-off | cross | |
High Tide | 8:42AM1.12m | 9:17AM1.21m | 9:53AM1.25m | |||||||||||||||||||||
Low Tide | 5:28PM0.44m | 6:40PM0.44m | 7:56PM0.44m | |||||||||||||||||||||
 |  | |  | |  | | | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — |
 | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | 5:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 17 |
15 | 15 | 14 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 15 | 15 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 |
 kJ | 1018 | 888 | 824 | 711 | 591 | 451 | 443 | 429 | 421 | 407 | 400 | 393 | 393 | 386 | 329 | 329 | 323 | 317 | 317 | 347 | 323 | 418 | 386 | 379 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 24 | W 24 | W 24 | W 22 | WSW 21 | WSW 21 | WSW 21 | WSW 20 | WSW 20 | WSW 20 | W 19 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 |
| kJ | — | — | — | — | — | 11 | 11 | 11 | 9 | 45 | 45 | 44 | 127 | 127 | 127 | 188 | 249 | 326 | 326 | 348 | 409 | 475 | 547 | 575 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 173 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 144 | 64 | 0 | 0 | 0 | 1 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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