Surf Forecasts:
How big are the waves at Cathedral Rock today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5ft (1.6m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.8m), 13s period with WSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 8ft (2.5m), 17s period with WSW swell.
The current surf forecast for Cathedral Rock at 2AM is: 1.5m 13s primary swell from a West-southwest direction and 0.2m 22s secondary swell from a West-southwest direction (forecast issued at 07:00pm October 19). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5ft (1.6m) | 12s |
| Afternoon (20 Oct) | 6ft (1.8m) | 13s |
| Evening (20 Oct) | 8ft (2.5m) | 17s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 15°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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 14 | WSW 17 | WSW 17 | WSW 16 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 17 |
Wave Graph  | |||||||||||||||||||
 kJ | 938 | 825 | 745 | 757 | 618 | 677 | 871 | 1261 | 1279 | 3683 | 3499 | 1902 | 3543 | 3393 | 3731 | 4092 | 4294 | 4817 | 5068 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 1:01AM0.70m | 10:24PM0.60m | 4:23AM0.61m | 9:10PM0.55m | |||||||||||||||
Low Tide | 1:12PM0.32m | 00:25AM0.60m | 1:21PM0.31m | ||||||||||||||||
 |  | |  | | |  | | | | | | | |  | | |  | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 13 | 12 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 14 | WSW 13 | WSW 17 | WSW 16 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 17 |
| kJ | 938 | 825 | 745 | 757 | 618 | 677 | 871 | 1261 | 1044 | 3683 | 3499 | 1902 | 3543 | 3393 | 3731 | 4092 | 4294 | 4817 | 5068 |
Swell 2 Height (m) Direction Period (s) | W 26 | SW 24 | WSW 24 | WSW 22 | WSW 21 | WSW 20 | WSW 20 | WSW 19 | WSW 17 | — | — | WSW 17 | — | — | — | — | — | — | — |
| kJ | 13 | 22 | 54 | 46 | 90 | 158 | 336 | 543 | 1279 | — | — | 1189 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2019 | 395 | 258 | 50 | 33 | 299 | 410 | 417 | 2042 | 749 | 355 | 309 | 7 | 309 | 377 | 452 | 417 | 452 | 417 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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