Surf Forecasts:
How big are the waves at Cathedral Rock today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2.5ft (0.7m), 20s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 3.5ft (1.1m), 19s period with WSW swell.
- Evening surf: Evening surf (29 Aug, local time) - 5.5ft (1.7m), 17s period with WSW swell.
The current surf forecast for Cathedral Rock at 5PM is: 1.5m 19s primary swell from a West-southwest direction and 0.8m 11s secondary swell from a West-southwest direction (forecast issued at 01:00pm August 29). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2.5ft (0.7m) | 20s |
| Afternoon (29 Aug) | 3.5ft (1.1m) | 19s |
| Evening (29 Aug) | 5.5ft (1.7m) | 17s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Very mild (max 19°C on Sat afternoon, min 14°C on Sat night). Winds increasing (light winds from the WSW on Sun afternoon, fresh winds from the SSW by Mon night). | |||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||||
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 19 | WSW 19 | WSW 19 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 18 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 428 | 701 | 1511 | 1454 | 1878 | 1856 | 2146 | 1406 | 2383 | 2330 | 2225 | 1972 | 1872 | 1697 | 1474 | 1028 | 1073 | 1885 | 1694 | 1540 | 1447 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | cross-off | cross-off | off | cross-off | cross | cross | cross-off | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off |
High Tide | 10:00AM0.71m | 10:50PM0.53m | 10:40AM0.63m | 10:59PM0.58m | 11:20AM0.55m | ||||||||||||||||
Low Tide | 4:56PM0.33m | 4:09AM0.36m | 4:52PM0.36m | 5:03AM0.35m | 4:38PM0.40m | ||||||||||||||||
 | | |  | | |  | |  | | | | | | | | |  | |  |  | |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 |
Temp °C | 15 | 18 | 19 | 17 | 15 | 15 | 14 | 15 | 15 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 16 | 15 |
Feels °C | 9 | 14 | 15 | 12 | 11 | 12 | 12 | 14 | 14 | 19 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 13 | 12 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 19 | WSW 19 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 14 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 14 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 |
| kJ | 197 | 701 | 1511 | 1454 | 1878 | 1856 | 2146 | 811 | 2383 | 2330 | 2225 | 1972 | 1872 | 1697 | 1474 | 834 | 1073 | 1885 | 1694 | 1540 | 1447 |
Swell 2 Height (m) Direction Period (s) | WSW 19 | WSW 11 | WSW 11 | — | S 4 | WSW 22 | — | WSW 19 | — | — | — | — | — | W 20 | WSW 19 | WSW 18 | WSW 14 | — | — | — | — |
| kJ | 428 | 163 | 143 | — | 5 | 154 | — | 1406 | — | — | — | — | — | 282 | 502 | 1028 | 545 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 4 | — | — | — | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | ESE 3 | ESE 3 | SSE 3 | ESE 3 | E 3 | — | — | — | — | — | — | — | — | — | — | — | W 4 | WSW 4 | WSW 5 | SW 6 |
| kJ | 14 | 4 | 2 | 3 | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | 10 | 34 | 94 | 188 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 3 | 0 | 28 | 0 | 3 | 28 | 0 | 0 | 31 | 173 | 0 | 64 | 50 | 50 | 299 | 417 | 629 | 417 | 144 | 144 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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