Surf Forecasts:
How big are the waves at Cathedral Rock today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 6ft (1.8m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.
- Evening surf: Evening surf (13 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.
The current surf forecast for Cathedral Rock at 8AM is: 1.8m 16s primary swell from a West-southwest direction and 0.4m 20s secondary swell from a West-southwest direction (forecast issued at 01:00am August 13). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 6ft (1.8m) | 16s |
| Afternoon (13 Aug) | 6.5ft (2.0m) | 17s |
| Evening (13 Aug) | 6.5ft (2.0m) | 17s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 12°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||||
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 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 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1279 | 1487 | 1588 | 1787 | 2017 | 2230 | 2230 | 2323 | 2027 | 1953 | 1928 | 1880 | 1788 | 1743 | 1487 | 1428 | 1319 | 1175 | 1159 | 1099 | 1083 | 1038 | 919 | 905 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | off | cross-off | cross | cross | cross | cross | on | cross-on | cross-off | cross-off |
High Tide | 00:46AM0.54m | 9:53AM0.91m | 00:08AM0.49m | 10:29AM0.77m | 11:52PM0.48m | 10:55AM0.63m | ||||||||||||||||||
Low Tide | 1:37AM0.54m | 6:14PM0.34m | 3:01AM0.46m | 6:17PM0.35m | 4:01AM0.41m | 5:48PM0.36m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | | | | | | | | | |
 | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 17 | 18 | 17 | 17 | 16 | 15 | 14 | 15 | 18 | 19 | 19 | 19 |
Feels °C | 10 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 11 | 10 | 9 | 11 | 15 | 14 | 13 | 13 | 11 | 10 | 9 | 11 | 16 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | 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 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 |
| kJ | 1279 | 1487 | 1588 | 1787 | 2017 | 2230 | 2230 | 2323 | 2027 | 1953 | 1928 | 1880 | 1788 | 1743 | 1487 | 1428 | 1319 | 1175 | 1159 | 1099 | 1083 | 1038 | 919 | 905 |
Swell 2 Height (m) Direction Period (s) | WSW 21 | — | WSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 151 | — | 151 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 4 | NE 4 | NNE 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 8 | 10 | 5 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 144 | 0 | 0 | 0 | 28 | 28 | 0 | 0 | 28 | 0 | 3 | 1 | 1 | 1 | 1 | 1 | 173 | 0 | 0 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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