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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 Sunday 31 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
21.5° C
(Which is slightly warmer than usual)How big are the waves at Cathedral Rock today (31 May):
- Morning surf: Morning surf (31 May, local time) - 15ft (4.5m), 10s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 18ft (5.5m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 21ft (6.5m), 14s period with W swell.
The current surf forecast for Cathedral Rock at 10AM is: 4.5m 10s primary swell from a West direction (forecast issued at 01:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 15ft (4.5m) | 10s |
| Afternoon (31 May) | 18ft (5.5m) | 12s |
| Evening (31 May) | 21ft (6.5m) | 14s |
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 17mm), heaviest on Sun night. Very mild (max 19°C on Mon afternoon, min 16°C on Sun morning). Winds decreasing (severe gales from the W on Sun night, moderate winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 8 | WNW 9 | WNW 10 | W 11 | W 12 | W 12 | W 13 | W 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 8 | SW 10 | SW 10 | WSW 13 | |
1487 | 2936 | 3474 | 5228 | 7422 | 10665 | 13574 | 16399 | 13174 | 9777 | 7725 | 6049 | 4599 | 3365 | 2602 | 1060 | 1505 | 1259 | 1234 | 1086 | 570 | 634 | 720 | 1551 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 8:52AM1.19m | 9:20AM1.23m | 9:46AM1.23m | |||||||||||||||||||||
Low Tide | 6:29PM0.52m | 7:10PM0.53m | 7:52PM0.53m | |||||||||||||||||||||
 |  |  | | | |  | | | | | |  |  |  | | | |  | | |  |  | | |
 | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:21 | — | — |
2 | 2 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | — | 3 | — | — | — | |
Temp °C | 21 | 19 | 17 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 18 | 19 | 18 | 17 | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 17 |
11 | 6 | 4 | 1 | 1 | 1 | 1 | 4 | 6 | 7 | 8 | 9 | 11 | 13 | 13 | 12 | 12 | 12 | 10 | 12 | 10 | 9 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | WSW 13 | WSW 13 | WSW 13 | W 11 | WSW 12 | WSW 20 | — | — | W 10 | W 8 | W 8 | WSW 13 |
 kJ | 222 | — | — | — | — | — | — | — | — | — | — | — | 4599 | 3365 | 2602 | 790 | 1505 | 37 | — | — | 18 | 191 | 161 | 1551 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 13 | WSW 19 | — | — | — | WSW 15 | SW 18 | SW 18 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1060 | 37 | — | — | — | 21 | 82 | 85 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 9 | WNW 10 | W 11 | W 12 | W 12 | W 13 | W 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | — | — | — | — | — | WSW 12 | WSW 11 | WSW 11 | WSW 8 | SW 10 | SW 10 | — |
| kJ | 1487 | 2936 | 3474 | 5228 | 7422 | 10665 | 13574 | 16399 | 13174 | 9777 | 7725 | 6049 | — | — | — | — | — | 1259 | 1234 | 1086 | 570 | 634 | 720 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 318 | 1650 | 1650 | 1650 | 1775 | 1650 | 1908 | 2019 | 2175 | 2175 | 2465 | 2459 | 2465 | 173 | 144 | 355 | 355 | 370 | 370 | 340 | 394 | 340 | 360 | 209 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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