Surf Forecasts:
How big are the waves at Cathedral Rock today (25 Jul):
- Morning surf: Morning surf (25 Jul, local time) - 3.5ft (1.1m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (25 Jul, local time) - 4ft (1.2m), 13s period with WSW swell.
- Evening surf: Evening surf (25 Jul, local time) - 3.5ft (1.1m), 13s period with WSW swell.
The current surf forecast for Cathedral Rock at 11AM is: 1.1m 13s primary swell from a West-southwest direction and 0.7m 4s secondary swell from a North direction (forecast issued at 07:00am July 25). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jul) | 3.5ft (1.1m) | 13s |
| Afternoon (25 Jul) | 4ft (1.2m) | 13s |
| Evening (25 Jul) | 3.5ft (1.1m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 19°C on Sat night, min 12°C on Sat morning). Winds decreasing (strong winds from the WNW on Sat night, light winds from the SSE by Mon morning). | |||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||
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 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WNW 12 | W 6 | W 6 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 394 | 415 | 396 | 384 | 454 | 384 | 361 | 847 | 233 | 314 | 679 | 904 | 1545 | 1813 | 2721 | 2244 | 1949 | 1682 | 1458 | 1201 | 1098 | 1083 | 1030 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off |
High Tide | 6:04AM1.03m | 6:50AM1.10m | 7:32AM1.13m | ||||||||||||||||||||
Low Tide | 4:53PM0.45m | 4:56PM0.47m | 5:07PM0.46m | ||||||||||||||||||||
 |  | |  |  |  | | | |  | | | | | | |  | | | | |  | | |
 | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — |
Temp °C | 13 | 12 | 14 | 16 | 18 | 18 | 19 | 19 | 18 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 14 |
Feels °C | 7 | 5 | 8 | 10 | 13 | 12 | 12 | 11 | 10 | 8 | 7 | 8 | 8 | 9 | 9 | 11 | 10 | 12 | 10 | 9 | 9 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | — | — | W 12 | WSW 15 | WSW 15 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 13 |
| kJ | 394 | 415 | 396 | 384 | 454 | 384 | 361 | 99 | — | — | 73 | 196 | 381 | 1813 | 2721 | 2244 | 1949 | 1682 | 1458 | 1201 | 1098 | 1083 | 1030 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 18 | — | SW 17 | SW 16 | — | — | — | WSW 12 | WSW 12 | — | WSW 15 | — | — | — | — | — | — | — | — | W 24 |
| kJ | — | — | — | 12 | — | 44 | 69 | — | — | — | 29 | 47 | — | 588 | — | — | — | — | — | — | — | — | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 24 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 4 | N 4 | NNW 4 | NW 5 | NW 5 | NW 5 | WNW 12 | W 6 | W 6 | WSW 8 | WSW 10 | WSW 11 | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 10 | 14 | 19 | 27 | 36 | 53 | 847 | 233 | 314 | 679 | 904 | 1545 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 35 | 35 | 258 | 355 | 299 | 299 | 299 | 299 | 340 | 299 | 413 | 1901 | 1651 | 144 | 144 | 28 | 28 | 0 | 0 | 74 | 144 | 28 | 3 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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