Surf Forecasts:
How big are the waves at Cathedral Rock today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.4m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 4ft (1.2m), 13s period with WSW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.0m), 13s period with WSW swell.
The current surf forecast for Cathedral Rock at 6AM is: 1.6m 14s primary swell from a West-southwest direction (forecast issued at 01:00am September 16). The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4.5ft (1.4m) | 14s |
| Afternoon (16 Sep) | 4ft (1.2m) | 13s |
| Evening (16 Sep) | 3.5ft (1.0m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 28°C on Wed afternoon, min 16°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NW by Fri night). | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 18 | WNW 8 | W 10 | W 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1083 | 942 | 765 | 653 | 514 | 434 | 427 | 331 | 498 | 485 | 465 | 352 | 415 | 336 | 326 | 303 | 298 | 350 | 258 | 254 | 418 | 883 | 2572 | 5305 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | glassy | cross-off | cross | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 11:19PM0.74m | 11:49PM0.80m | 00:23AM0.84m | |||||||||||||||||||||
Low Tide | 2:37PM0.32m | 2:35PM0.33m | 2:38PM0.36m | |||||||||||||||||||||
 | |  | | |  | | | | | | | | | | | | | | |  | |  |  | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 18 | 17 | 17 | 22 | 26 | 28 | 27 | 25 | 24 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 17 |
Feels °C | 15 | 14 | 14 | 21 | 25 | 27 | 28 | 23 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 15 | 13 | 14 | 13 | 13 | 11 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 18 | — | — |
| kJ | 1083 | 942 | 765 | 653 | 514 | 434 | 427 | 331 | 498 | 485 | 465 | 352 | 415 | 336 | 326 | 303 | 298 | 350 | 258 | 254 | 237 | 443 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 16 | WSW 16 | W 21 | W 21 | SW 21 | WSW 20 | WSW 20 | WSW 19 | WSW 18 | WNW 4 | SW 18 | W 5 | WSW 20 | WSW 17 | WSW 18 | W 15 | — | — |
| kJ | — | — | — | — | — | — | 53 | 102 | 9 | 9 | 17 | 37 | 38 | 36 | 65 | 14 | 87 | 11 | 128 | 219 | 418 | 38 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | — | SW 16 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 83 | — | — | 67 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | — | ENE 3 | NE 3 | — | — | — | ENE 2 | NE 3 | NNE 3 | N 3 | NNW 3 | NW 3 | NW 4 | WNW 4 | — | WNW 4 | N 3 | NW 5 | NW 5 | WNW 6 | WNW 8 | W 10 | W 13 |
| kJ | 1 | — | 1 | 1 | — | — | — | 1 | 4 | 6 | 6 | 2 | 4 | 10 | 10 | — | 13 | 8 | 35 | 96 | 227 | 883 | 2572 | 5305 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 28 | 29 | 1 | 1 | 0 | 0 | 1 | 1 | 7 | 35 | 258 | 363 | 258 | 258 | 1 | 7 | 33 | 318 | 325 | 355 | 355 | 377 | 417 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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