Surf Forecasts:
How big are the waves at Cathedral Rock today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 4.5ft (1.3m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 5ft (1.5m), 13s period with WSW swell.
- Evening surf: Evening surf (23 Aug, local time) - 5ft (1.6m), 13s period with WSW swell.
The current surf forecast for Cathedral Rock at 7AM is: 1.3m 14s primary swell from a West-southwest direction and 0.3m 20s secondary swell from a West-southwest direction (forecast issued at 01:00am August 23). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 4.5ft (1.3m) | 14s |
| Afternoon (23 Aug) | 5ft (1.5m) | 13s |
| Evening (23 Aug) | 5ft (1.6m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 18°C on Tue night, min 13°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||||||
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 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 15 | WSW 14 | WSW 13 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 712 | 603 | 612 | 692 | 768 | 734 | 690 | 1186 | 2325 | 2066 | 1797 | 1680 | 1428 | 1172 | 922 | 852 | 745 | 618 | 525 | 505 | 970 | 1083 | 1474 | 1713 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | glassy | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:17AM0.95m | 6:19AM0.98m | 7:10AM0.97m | |||||||||||||||||||||
Low Tide | 3:57PM0.42m | 4:01PM0.41m | 4:11PM0.38m | |||||||||||||||||||||
 |  |  | | |  |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 |
Feels °C | 8 | 9 | 10 | 12 | 14 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 13 | 14 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 15 | WSW 14 | WSW 13 | WSW 13 |
| kJ | 712 | 603 | 612 | 692 | 768 | 734 | 690 | 1186 | 2325 | 2066 | 1797 | 1680 | 1428 | 1172 | 922 | 852 | 745 | 618 | 525 | 505 | 970 | 1083 | 1474 | 1713 |
Swell 2 Height (m) Direction Period (s) | W 20 | WSW 20 | WSW 20 | SSW 5 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | — | — | — | — | — | — | — | — | — | — | SW 17 | WSW 15 | — | — | W 24 | W 23 |
| kJ | 30 | 38 | 75 | 34 | 249 | 428 | 575 | 669 | — | — | — | — | — | — | — | — | — | — | 43 | 256 | — | — | 11 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | — | WSW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 182 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | — | — | — | SW 5 | — | — | — | — | — | — | — | — | — | — | WNW 3 | WNW 3 | NNW 3 | NW 4 | NW 4 | NW 4 | — |
| kJ | 196 | 136 | 70 | — | — | — | 39 | — | — | — | — | — | — | — | — | — | — | 3 | 8 | 8 | 10 | 19 | 34 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 144 | 144 | 144 | 28 | 0 | 174 | 144 | 28 | 28 | 0 | 0 | 0 | 0 | 0 | 28 | 7 | 35 | 35 | 121 | 340 | 377 | 377 | 370 | 121 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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