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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 Friday 15 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 6AM is: 2.3m 13s primary swell from a West-southwest direction (forecast issued at 01:00am May 15). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 8ft (2.4m) | 14s |
| Afternoon (15 May) | 8ft (2.4m) | 14s |
| Evening (15 May) | 7.5ft (2.3m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri morning. Very mild (max 18°C on Fri morning, min 15°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | |
1408 | 1760 | 2091 | 2091 | 2008 | 1974 | 2118 | 1874 | 1700 | 1463 | 1295 | 1018 | 888 | 734 | 711 | 591 | 488 | 480 | 464 | 456 | 414 | 407 | 400 | 393 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross | cross-off | cross-off | cross-off | off | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:10AM1.01m | 8:42AM1.12m | 9:17AM1.21m | |||||||||||||||||||||
Low Tide | 00:42AM0.64m | 4:21PM0.45m | 5:28PM0.44m | 6:40PM0.44m | ||||||||||||||||||||
 |  |  | | |  |  | |  | | | |  | | | | | | | | | | | | |
 | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — |
— | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 18 | 17 | 17 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 |
13 | 12 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
 kJ | 1408 | 1760 | 2091 | 2091 | 2008 | 1974 | 2118 | 1874 | 1700 | 1463 | 1295 | 1018 | 888 | 734 | 711 | 591 | 488 | 480 | 464 | 456 | 414 | 407 | 400 | 393 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 24 | W 24 | W 24 | W 22 | WSW 21 | WSW 21 | WSW 21 | WSW 20 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 11 | 11 | 9 | 45 | 45 | 44 | 127 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | S 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 417 | 144 | 144 | 28 | 144 | 144 | 28 | 28 | 28 | 28 | 0 | 0 | 66 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 173 | 28 | 0 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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