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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 Tuesday 19 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
21.7° 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 1AM is: 1.4m 15s primary swell from a West-southwest direction and 1.0m 11s secondary swell from a West-southwest direction, 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 07:00pm May 19). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5ft (1.5m) | 14s |
| Afternoon (20 May) | 4.5ft (1.4m) | 14s |
| Evening (20 May) | 4ft (1.2m) | 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. Warm (max 21°C on Tue night, min 15°C on Fri morning). Winds increasing (light winds from the NNW on Wed afternoon, strong winds from the S by Thu night). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | |
604 | 706 | 669 | 970 | 956 | 956 | 956 | 834 | 746 | 506 | 491 | 917 | 1047 | 1240 | 1240 | 1223 | 1247 | 1814 | 829 | 711 | 700 | 1030 | 862 | 722 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | |
High Tide | 11:08AM1.19m | 11:43AM1.09m | 12:13PM0.96m | |||||||||||||||||||||
Low Tide | 9:14PM0.44m | 10:28PM0.43m | 11:30PM0.43m | |||||||||||||||||||||
 |  | | | | |  |  | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — |
 | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | 5:24 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 20 | 20 | 19 | 20 | 19 | 20 | 20 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 16 |
20 | 19 | 15 | 14 | 13 | 17 | 16 | 19 | 19 | 19 | 18 | 18 | 16 | 16 | 16 | 14 | 12 | 11 | 10 | 10 | 11 | 10 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | — | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
 kJ | 604 | 706 | 669 | 970 | 956 | 956 | 956 | 834 | 746 | 506 | 491 | 917 | 1047 | 1240 | 1240 | 1223 | 1247 | — | 829 | 711 | 700 | 1030 | 862 | 722 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 10 | WSW 11 | — | — | — | — | NNW 4 | NNW 3 | WSW 16 | WSW 16 | — | — | — | — | — | — | — | WSW 7 | SW 7 | SW 7 | — | — | — |
| kJ | 247 | 173 | 218 | — | — | — | — | 2 | 1 | 201 | 333 | — | — | — | — | — | — | — | 202 | 147 | 147 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | N 3 | N 4 | NNW 4 | — | — | — | — | — | — | — | — | SSW 3 | — | SW 14 | S 5 | S 5 | SSE 4 | — | — | — |
| kJ | — | — | — | 2 | 8 | 6 | 4 | — | — | — | — | — | — | — | — | 3 | — | 1814 | 71 | 49 | 13 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 118 | 144 | 28 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 28 | 410 | 485 | 144 | 144 | 144 | 144 | 31 | 28 | 145 | 144 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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