Surf Forecasts:
How big are the waves at Cathedral Rock today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 6ft (1.8m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 6ft (1.8m), 16s period with WSW swell.
- Evening surf: Evening surf (22 Aug, local time) - 8ft (2.4m), 16s period with SW swell.
The current surf forecast for Cathedral Rock at 7AM is: 1.8m 14s primary swell from a West-southwest direction and 1.1m 18s secondary swell from a West-southwest direction (forecast issued at 01:00am August 22). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 6ft (1.8m) | 15s |
| Afternoon (22 Aug) | 6ft (1.8m) | 16s |
| Evening (22 Aug) | 8ft (2.4m) | 16s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Very mild (max 17°C on Sat afternoon, min 14°C on Sun night). Winds decreasing (strong winds from the SSW on Sat night, calm by Mon morning). | ||||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | SW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | WSW 13 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1670 | 1265 | 1319 | 1881 | 1608 | 1307 | 2732 | 892 | 712 | 603 | 612 | 895 | 768 | 734 | 1110 | 1186 | 2325 | 2066 | 1797 | 1680 | 1428 | 1058 | 922 | 757 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-on | cross-on |
High Tide | 4:01AM0.91m | 5:17AM0.95m | 6:19AM0.98m | |||||||||||||||||||||
Low Tide | 3:59PM0.41m | 3:57PM0.42m | 4:01PM0.41m | |||||||||||||||||||||
 |  |  |  |  | |  | | | | | | |  | | | | | | | | | | | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 13 | 13 | 14 | 15 | 12 | 8 | 8 | 8 | 8 | 9 | 10 | 12 | 14 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 14 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | WSW 13 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 1670 | 1265 | 1319 | 1881 | 1608 | 1307 | 1055 | 892 | 712 | 603 | 612 | 895 | 768 | 734 | 1110 | 1186 | 2325 | 2066 | 1797 | 1680 | 1428 | 1058 | 922 | 757 |
Swell 2 Height (m) Direction Period (s) | WSW 19 | WSW 18 | WSW 18 | — | — | — | — | — | W 20 | WSW 20 | WSW 20 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | — | — | — | — | — | — | — | — |
| kJ | 441 | 759 | 596 | — | — | — | — | — | 30 | 38 | 75 | 182 | 249 | 404 | 575 | 561 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | SSW 5 | SW 16 | SW 7 | SSW 6 | SSW 6 | SW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | 71 | 2732 | 296 | 184 | 123 | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 413 | 417 | 144 | 144 | 144 | 144 | 144 | 0 | 144 | 177 | 144 | 28 | 28 | 0 | 0 | 0 | 64 | 50 | 355 | 355 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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