Surf Forecasts:
How big are the waves at Cathedral Rock today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 8ft (2.5m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 16s period with WSW swell.
- Evening surf: Evening surf (12 Sep, local time) - 4.5ft (1.4m), 15s period with WSW swell.
The current surf forecast for Cathedral Rock at 11AM is: 1.7m 16s primary swell from a West-southwest direction and 2.2m 8s secondary swell from a West-southwest direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 8ft (2.5m) | 16s |
| Afternoon (12 Sep) | 5ft (1.6m) | 16s |
| Evening (12 Sep) | 4.5ft (1.4m) | 15s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 13°C on Mon night). Winds increasing (light winds from the S on Sun night, fresh winds from the ESE by Mon night). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3523 | 3619 | 1375 | 1208 | 999 | 986 | 819 | 763 | 642 | 849 | 1605 | 1192 | 2080 | 2088 | 2169 | 2259 | 2202 | 2171 | 1941 | 1849 | 1783 | 2091 | 1723 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 10:30AM0.53m | 10:13PM0.55m | 10:53AM0.44m | 10:29PM0.61m | 10:56AM0.38m | 10:52PM0.67m | |||||||||||||||||
Low Tide | 3:58AM0.30m | 4:04PM0.34m | 4:49AM0.27m | 3:38PM0.34m | 5:43AM0.29m | 3:14PM0.32m | |||||||||||||||||
 |  | | | |  | | | |  |  | | |  |  | | | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 18 | 18 | 19 | 18 | 15 |
Feels °C | 10 | 10 | 11 | 12 | 12 | 14 | 14 | 12 | 12 | 13 | 13 | 14 | 14 | 16 | 16 | 16 | 14 | 12 | 14 | 13 | 13 | 11 | 8 |
Swell 1 Height (m) Direction Period (s) | — | WSW 16 | WSW 8 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | — | 1550 | 645 | 705 | 925 | 925 | 819 | 653 | 555 | 849 | 1605 | 1192 | 2080 | 2088 | 2169 | 2259 | 2202 | 2171 | 1941 | 1849 | 1783 | 2091 | 1723 |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 10 | W 17 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1375 | 1208 | 999 | 986 | 773 | 763 | 642 | 370 | 569 | 480 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 162 | 238 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 17 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | — | SE 4 |
| kJ | 3523 | 3619 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | — | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 485 | 910 | 687 | 370 | 370 | 360 | 74 | 121 | 299 | 121 | 370 | 452 | 417 | 177 | 0 | 0 | 0 | 28 | 0 | 34 | 145 | 28 | 196 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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