Surf Forecasts:
How big are the waves at Cathedral Rock today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 5ft (1.6m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 4.5ft (1.4m), 13s period with WSW swell.
- Evening surf: Evening surf (28 Aug, local time) - 4ft (1.2m), 12s period with WSW swell.
The current surf forecast for Cathedral Rock at 4PM is: 1.4m 12s primary swell from a West-southwest direction and 0.1m 20s secondary swell from a Southwest direction (forecast issued at 07:00am August 28). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 5ft (1.6m) | 13s |
| Afternoon (28 Aug) | 4.5ft (1.4m) | 13s |
| Evening (28 Aug) | 4ft (1.2m) | 12s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sun afternoon, min 11°C on Fri morning). Winds decreasing (strong winds from the SE on Fri morning, light winds from the SW by Sun afternoon). | |||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||||
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 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 20 | 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 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1283 | 936 | 769 | 648 | 493 | 412 | 399 | 319 | 261 | 342 | 428 | 701 | 1511 | 1817 | 1696 | 1856 | 2048 | 1406 | 2383 | 2552 | 2225 | 1972 | 1948 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 9:20AM0.80m | 10:52PM0.52m | 10:00AM0.71m | 10:50PM0.53m | 10:40AM0.63m | 10:59PM0.58m | |||||||||||||||||
Low Tide | 2:28AM0.49m | 4:51PM0.32m | 3:19AM0.41m | 4:56PM0.33m | 4:09AM0.36m | 4:52PM0.36m | |||||||||||||||||
 |  | |  | |  | | | | |  | | |  | | | | | | | | | | |
 | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 13 | 16 | 17 | 15 | 14 | 13 | 12 | 13 | 15 | 17 | 18 | 16 | 16 | 14 | 15 | 15 | 15 | 19 | 19 | 19 | 18 |
Feels °C | 3 | 2 | 6 | 10 | 10 | 8 | 8 | 7 | 6 | 7 | 10 | 11 | 13 | 12 | 13 | 12 | 13 | 14 | 14 | 18 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | 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 |
| kJ | 1283 | 936 | 769 | 648 | 493 | 412 | 399 | 319 | 261 | 239 | 197 | 701 | 1511 | 1817 | 1696 | 1856 | 2048 | 811 | 2383 | 2552 | 2225 | 1972 | 1948 |
Swell 2 Height (m) Direction Period (s) | — | W 21 | W 22 | W 22 | WSW 20 | WSW 20 | WSW 22 | WSW 21 | WSW 18 | WSW 20 | WSW 19 | WSW 11 | WSW 11 | S 4 | S 4 | WSW 22 | — | WSW 19 | — | — | — | — | — |
| kJ | — | 9 | 9 | 9 | 38 | 38 | 92 | 180 | 130 | 342 | 428 | 145 | 128 | 3 | 3 | 154 | — | 1406 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 26 | W 24 | SW 24 | — | — | WSW 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 13 | 11 | 22 | — | — | 154 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | S 5 | S 6 | S 5 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SSE 4 | S 4 | SSE 4 | SE 3 | ESE 3 | — | — | — | — | — | — | — | — |
| kJ | 63 | 84 | 55 | 48 | 34 | 22 | 19 | 15 | 14 | 15 | 13 | 9 | 8 | 2 | 2 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 64 | 145 | 145 | 28 | 64 | 64 | 28 | 28 | 28 | 64 | 32 | 29 | 28 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 144 | 0 | 0 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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