Surf Forecasts:
How big are the waves at Cathedral Rock today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 7ft (2.1m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.9m), 14s period with WSW swell.
- Evening surf: Evening surf (12 Aug, local time) - 6ft (1.8m), 14s period with WSW swell.
The current surf forecast for Cathedral Rock at 11AM is: 2.0m 14s primary swell from a West-southwest direction (forecast issued at 07:00am August 12). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 7ft (2.1m) | 15s |
| Afternoon (12 Aug) | 6ft (1.9m) | 14s |
| Evening (12 Aug) | 6ft (1.8m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 12°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the NE by Fri night). | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 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) | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2271 | 1846 | 1670 | 1504 | 1370 | 1370 | 1244 | 1279 | 1487 | 1588 | 1787 | 2017 | 2230 | 2351 | 2323 | 2027 | 1953 | 1928 | 1904 | 1788 | 1743 | 1507 | 1428 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | glassy | cross-off | cross-off | off | off | off | cross-off | cross-off | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 9:10AM1.03m | 00:46AM0.54m | 9:53AM0.91m | 00:08AM0.49m | 10:29AM0.77m | ||||||||||||||||||
Low Tide | 5:54PM0.33m | 1:37AM0.54m | 6:14PM0.34m | 3:01AM0.46m | 6:17PM0.35m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | |  | | |
 | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 13 | 14 | 15 | 15 | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 14 | 14 | 14 | 13 | 14 | 17 | 18 | 17 | 17 |
Feels °C | 11 | 12 | 10 | 13 | 13 | 12 | 12 | 10 | 10 | 10 | 10 | 12 | 10 | 11 | 10 | 11 | 10 | 9 | 11 | 15 | 15 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 |
| kJ | 2271 | 1846 | 1670 | 1504 | 1370 | 1370 | 1244 | 1279 | 1487 | 1588 | 1787 | 2017 | 2230 | 2351 | 2323 | 2027 | 1953 | 1928 | 1904 | 1788 | 1743 | 1507 | 1428 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 24 | SW 24 | — | WSW 21 | WSW 21 | — | WSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 11 | 22 | — | 89 | 151 | — | 151 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 0 | 0 | 0 | 28 | 28 | 0 | 0 | 0 | 0 | 28 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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