Surf Forecasts:
How big are the waves at Cathedral Rock today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 11ft (3.5m), 12s period with W swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 11ft (3.5m), 13s period with WSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 11ft (3.5m), 15s period with WSW swell.
The current surf forecast for Cathedral Rock at 11AM is: 4.0m 13s primary swell from a West-southwest direction and 0.8m 16s secondary swell from a West direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 11ft (3.5m) | 12s |
| Afternoon (18 Jul) | 11ft (3.5m) | 13s |
| Evening (18 Jul) | 11ft (3.5m) | 15s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Very mild (max 17°C on Sun afternoon, min 14°C on Sun night). Winds decreasing (strong winds from the W on Sat morning, calm by Sun night). | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 13 | W 11 | WSW 13 | WSW 13 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | W 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 12 | WSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3866 | 3218 | 4532 | 4301 | 5302 | 5600 | 4864 | 4085 | 2185 | 2740 | 2350 | 1777 | 1581 | 1255 | 1077 | 953 | 838 | 734 | 644 | 541 | 459 | 491 | 621 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-off | off | glassy | glassy | cross | cross-on | cross | cross-off | cross-off | cross |
High Tide | 11:19AM0.73m | 2:26AM0.50m | 11:11AM0.60m | 2:17AM0.54m | 9:04AM0.53m | ||||||||||||||||||
Low Tide | 7:53PM0.40m | 4:23AM0.50m | 6:32PM0.40m | 5:52AM0.52m | 5:42PM0.37m | ||||||||||||||||||
 |  | | | |  | | |  |  | |  | | |  | | |  | | | |  | | |
 | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 17 |
Feels °C | 6 | 7 | 8 | 9 | 11 | 10 | 12 | 11 | 10 | 11 | 12 | 13 | 13 | 14 | 13 | 14 | 13 | 12 | 13 | 14 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | W 16 | WSW 13 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | W 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 12 | WSW 14 |
| kJ | — | — | 330 | 4301 | 5302 | 5600 | 4864 | 4085 | 2185 | 2740 | 2350 | 1777 | 1581 | 1255 | 1077 | 953 | 838 | 734 | 644 | 541 | 459 | 491 | 621 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 17 | — | — | — | — | WSW 15 | — | W 13 | — | — | — | — | — | — | — | — | SW 16 | W 10 | W 10 | WSW 15 |
| kJ | — | — | — | 1326 | — | — | — | — | 1275 | — | 55 | — | — | — | — | — | — | — | — | 10 | 8 | 8 | 123 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | W 11 | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3866 | 3218 | 4532 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1650 | 916 | 493 | 687 | 417 | 309 | 309 | 309 | 309 | 309 | 173 | 173 | 144 | 0 | 0 | 0 | 0 | 1 | 1 | 378 | 64 | 28 | 28 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cathedral Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest