Surf Forecasts:
How big are the waves at Cathedral Rock today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4.5ft (1.4m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 4.5ft (1.3m), 14s period with WSW swell.
- Evening surf: Evening surf (10 Sep, local time) - 4.5ft (1.3m), 15s period with WSW swell.
The current surf forecast for Cathedral Rock at 9AM is: 1.4m 15s primary swell from a West-southwest direction and 0.2m 24s secondary swell from a West-southwest direction (forecast issued at 01:00am September 10). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4.5ft (1.4m) | 15s |
| Afternoon (10 Sep) | 4.5ft (1.3m) | 14s |
| Evening (10 Sep) | 4.5ft (1.3m) | 15s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 20°C on Thu afternoon, min 13°C on Thu morning). Winds increasing (light winds from the ENE on Thu afternoon, fresh winds from the WNW by Fri night). | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | W 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1305 | 1088 | 936 | 811 | 697 | 697 | 697 | 726 | 796 | 776 | 669 | 651 | 789 | 970 | 1188 | 2411 | 2357 | 2016 | 3010 | 1557 | 1358 | 1055 | 1041 | 735 |
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 | cross | cross | cross | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:13AM0.75m | 10:17PM0.49m | 9:55AM0.64m | 10:08PM0.51m | 10:30AM0.53m | 10:13PM0.55m | ||||||||||||||||||
Low Tide | 2:08AM0.45m | 4:39PM0.32m | 3:06AM0.36m | 4:29PM0.34m | 3:58AM0.30m | 4:04PM0.34m | ||||||||||||||||||
 | |  | | |  |  | | | | | | | | | |  | |  | | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — |
Temp °C | 16 | 14 | 13 | 15 | 19 | 20 | 20 | 20 | 16 | 15 | 14 | 17 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 16 |
Feels °C | 10 | 7 | 6 | 8 | 17 | 17 | 15 | 15 | 9 | 9 | 8 | 12 | 17 | 16 | 17 | 16 | 14 | 12 | 10 | 11 | 12 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | W 8 | W 9 | WSW 10 |
| kJ | 1305 | 1088 | 936 | 811 | 697 | 697 | 697 | 726 | 796 | 776 | 669 | 651 | 789 | 694 | 694 | 2411 | 2357 | 2016 | 1728 | 1557 | 1358 | 450 | 452 | 735 |
Swell 2 Height (m) Direction Period (s) | WSW 26 | WSW 26 | WSW 24 | WSW 24 | WSW 24 | WSW 24 | WSW 22 | WSW 22 | WSW 22 | WSW 22 | WSW 20 | WSW 19 | WSW 20 | WSW 19 | WSW 18 | — | — | — | — | — | — | WSW 16 | WSW 16 | WSW 15 |
| kJ | 66 | 65 | 56 | 109 | 109 | 109 | 183 | 181 | 181 | 154 | 432 | 644 | 544 | 970 | 1188 | — | — | — | — | — | — | 1055 | 1041 | 687 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | WSW 24 | — | — | — | — | — | — | — | N 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 108 | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 3 | ENE 4 | NE 4 | NE 3 | — | — | ENE 3 | NE 3 | NE 4 | NNE 4 | NNE 4 | — | — | — | NW 4 | NW 4 | WNW 5 | W 16 | W 7 | W 8 | — | — | — |
| kJ | 7 | 8 | 11 | 10 | 3 | — | — | 5 | 9 | 10 | 11 | 11 | — | — | — | 11 | 32 | 110 | 3010 | 271 | 418 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 28 | 33 | 35 | 0 | 3 | 28 | 3 | 35 | 35 | 35 | 1 | 1 | 7 | 50 | 325 | 325 | 485 | 910 | 910 | 1758 | 370 | 370 | 299 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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