Surf Forecasts:
How big are the waves at Cathedral Rock today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 4.5ft (1.3m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.4m), 14s period with WSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 4.5ft (1.4m), 18s period with WSW swell.
The current surf forecast for Cathedral Rock at 2AM is: 1.3m 16s primary swell from a West-southwest direction and 0.4m 22s secondary swell from a West-southwest direction, 0.6m 3s secondary swell from a North-northeast direction (forecast issued at 07:00pm September 10). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 4.5ft (1.3m) | 15s |
| Afternoon (11 Sep) | 4.5ft (1.4m) | 14s |
| Evening (11 Sep) | 4.5ft (1.4m) | 18s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat morning. Very mild (max 19°C on Thu night, min 15°C on Thu night). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the W by Sat night). | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||
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 15 | WSW 16 | WSW 15 | WSW 15 | WSW 19 | WSW 14 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | W 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 687 | 697 | 726 | 796 | 890 | 669 | 694 | 789 | 970 | 1188 | 2411 | 2357 | 3248 | 3111 | 1375 | 1358 | 2758 | 871 | 784 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross | cross | cross-on | on | on | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:17PM0.49m | 9:55AM0.64m | 10:08PM0.51m | 10:30AM0.53m | 10:13PM0.55m | ||||||||||||||
Low Tide | 4:39PM0.32m | 3:06AM0.36m | 4:29PM0.34m | 3:58AM0.30m | 4:04PM0.34m | ||||||||||||||
 |  |  | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 17 | 15 | 15 | 17 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 15 | 14 | 14 | 11 | 9 | 9 | 13 | 16 | 17 | 15 | 13 | 13 | 12 | 11 | 11 | 12 | 13 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | 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 16 | WSW 8 | WSW 9 | WSW 16 | WSW 10 | WSW 10 |
| kJ | 687 | 697 | 726 | 796 | 890 | 669 | 651 | 789 | 624 | 799 | 2411 | 2357 | — | 1728 | 416 | 442 | 2758 | 740 | 653 |
Swell 2 Height (m) Direction Period (s) | 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 16 | WSW 15 |
| kJ | 109 | 183 | 181 | 181 | 154 | 432 | 694 | 544 | 970 | 1188 | — | — | — | — | 1375 | 1358 | — | 871 | 784 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | NNE 4 | NNE 4 | NNE 4 | N 4 | NW 5 | — | NW 4 | NW 5 | W 17 | WSW 16 | — | — | — | — | — |
| kJ | — | — | — | 7 | 16 | 16 | 16 | 6 | 5 | — | 21 | 70 | 3248 | 3111 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 28 | 0 | 28 | 50 | 35 | 121 | 7 | 7 | 258 | 50 | 325 | 363 | 485 | 910 | 910 | 1144 | 417 | 360 | 299 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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