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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 Monday 25 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 3AM is: 0.8m 14s primary swell from a West-southwest direction and 0.6m 12s secondary swell from a West direction, 0.8m 4s secondary swell from a North direction (forecast issued at 07:00pm May 25). The wind direction is predicted to be cross-shore.
| 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 14mm), heaviest on Wed night. Warm (max 21°C on Mon night, min 16°C on Tue morning). Winds increasing (light winds from the NE on Mon night, near gales from the NNW by Wed night). | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
WSW 15 | WSW 14 | WSW 14 | WSW 14 | 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 | WNW 15 | W 14 | W 14 | W 14 | W 13 | W 13 | |
411 | 394 | 356 | 261 | 213 | 158 | 151 | 128 | 267 | 442 | 528 | 625 | 827 | 927 | 916 | 1160 | 1281 | 1032 | 3665 | 4555 | 3625 | 2843 | 2532 | 2323 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 7:24AM0.71m | 7:08AM0.80m | 7:26AM0.91m | |||||||||||||||||||||
Low Tide | 11:29PM0.51m | 4:06PM0.50m | 4:18PM0.47m | |||||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | |  |  |  |  | | | |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — |
 | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 9 | 2 | 1 | — | — | |
Temp °C | 21 | 21 | 19 | 18 | 17 | 16 | 18 | 20 | 21 | 21 | 20 | 19 | 19 | 18 | 20 | 20 | 20 | 21 | 18 | 16 | 19 | 19 | 19 | 19 |
18 | 17 | 13 | 11 | 9 | 8 | 10 | 14 | 17 | 18 | 17 | 14 | 12 | 11 | 12 | 13 | 13 | 15 | 9 | 9 | 15 | 13 | 12 | 13 | |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 14 | WSW 14 | WSW 14 | 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 | — | — | — | — | NW 9 | — |
 kJ | 411 | 394 | 356 | 261 | 213 | 158 | 151 | 84 | 267 | 442 | 528 | 625 | 827 | 927 | 916 | 1160 | 1281 | 1032 | — | — | — | — | 231 | — |
Swell 2 Height (m) Direction Period (s) | NNW 5 | NW 5 | — | W 12 | W 12 | W 12 | W 11 | WSW 13 | W 11 | W 11 | WSW 12 | W 12 | W 11 | W 11 | W 10 | — | W 10 | — | — | — | — | — | — | — |
| kJ | 14 | 14 | — | 108 | 103 | 97 | 89 | 114 | 84 | 82 | 176 | 171 | 112 | 112 | 177 | — | 146 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 10 | — | — | W 22 | W 21 | WSW 21 | WSW 20 | WSW 13 | WSW 13 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 8 | — | — | 9 | 36 | 84 | 128 | 113 | 93 | 40 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 6 | N 3 | N 4 | N 4 | N 5 | NNW 6 | NW 6 | NW 6 | — | NW 6 | NNW 5 | NNW 5 | NW 6 | WNW 10 | NW 8 | WNW 8 | WNW 15 | W 14 | W 14 | W 14 | W 13 | W 13 |
| kJ | — | — | 23 | 15 | 26 | 36 | 64 | 68 | 69 | 60 | — | 32 | 37 | 63 | 219 | 763 | 398 | 621 | 3665 | 4555 | 3625 | 2843 | 2532 | 2323 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 7 | 121 | 121 | 121 | 318 | 355 | 318 | 7 | 7 | 57 | 299 | 299 | 345 | 345 | 318 | 325 | 325 | 57 | 377 | 377 | 493 | 1144 |
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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