Surf Forecasts:
How big are the waves at Cathedral Rock today (30 Jul):
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3.5ft (1.0m), 15s period with WSW swell.
- Evening surf: Evening surf (30 Jul, local time) - 3.5ft (1.0m), 14s period with WSW swell.
The current surf forecast for Cathedral Rock at 11PM is: 1.0m 14s primary swell from a West-southwest direction and 0.8m 18s secondary swell from a West-southwest direction (forecast issued at 07:00pm July 30). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | - | - |
| Afternoon (30 Jul) | 3.5ft (1.0m) | 15s |
| Evening (30 Jul) | 3.5ft (1.0m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Very mild (max 19°C on Thu night, min 10°C on Sun morning). Winds increasing (light winds from the WNW on Thu night, fresh winds from the WNW by Fri night). | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 402 | 402 | 407 | 491 | 751 | 1134 | 1245 | 1354 | 1756 | 1881 | 2033 | 1750 | 1527 | 1431 | 2305 | 2178 | 2178 | 2615 | 2547 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 9:57AM0.92m | 1:03AM0.53m | 10:31AM0.81m | ||||||||||||||||
Low Tide | 6:07PM0.36m | 6:23PM0.35m | 3:06AM0.52m | 6:28PM0.35m | |||||||||||||||
 |  | | | | | | | | |  |  |  |  | | | | | | |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | 5:39 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 18 | 17 | 16 | 16 | 18 | 19 | 19 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 15 | 13 |
Feels °C | 16 | 17 | 18 | 16 | 15 | 13 | 12 | 13 | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 |
| kJ | 402 | 402 | 407 | 413 | 751 | 1134 | 1245 | 1354 | 1756 | 1881 | 2033 | 1750 | 1527 | 1431 | 2305 | 2178 | 2178 | 2615 | 2547 |
Swell 2 Height (m) Direction Period (s) | WSW 20 | WSW 20 | WSW 18 | WSW 18 | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 336 | 216 | 368 | 491 | 212 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | NW 4 | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | — | — | — | — | — | N 3 | NNW 3 | NW 4 | WNW 4 | W 5 | WSW 6 | SW 7 | SW 8 | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | 5 | 4 | 10 | 25 | 75 | 136 | 247 | 269 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 56 | 44 | 7 | 1 | 7 | 7 | 121 | 377 | 377 | 299 | 299 | 299 | 144 | 144 | 144 | 144 | 144 | 64 | 0 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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