Surf Forecasts:
How big are the waves at Cathedral Rock today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 8ft (2.5m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 11ft (3.5m), 18s period with WSW swell.
- Evening surf: Evening surf (26 Aug, local time) - 11ft (3.5m), 17s period with WSW swell.
The current surf forecast for Cathedral Rock at 10AM is: 3.0m 19s primary swell from a West-southwest direction and 1.0m 20s secondary swell from a West direction (forecast issued at 01:00am August 26). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 8ft (2.5m) | 15s |
| Afternoon (26 Aug) | 11ft (3.5m) | 18s |
| Evening (26 Aug) | 11ft (3.5m) | 17s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 80mm), heaviest during Wed afternoon. Very mild (max 17°C on Wed morning, min 12°C on Thu night). Winds increasing (light winds from the SW on Wed afternoon, near gales from the S by Wed night). | ||||||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||||||||||
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 13 | WSW 15 | WSW 15 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1804 | 2558 | 3371 | 7332 | 7433 | 6749 | 6226 | 6129 | 4605 | 3800 | 3798 | 3504 | 3484 | 2629 | 2122 | 1929 | 1470 | 1283 | 1151 | 862 | 737 | 493 | 412 | 341 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | cross | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 7:56AM0.93m | 11:32PM0.58m | 8:39AM0.87m | 11:04PM0.54m | 9:20AM0.80m | 10:52PM0.52m | ||||||||||||||||||
Low Tide | 4:25PM0.35m | 1:25AM0.57m | 4:40PM0.32m | 2:28AM0.49m | 4:51PM0.32m | |||||||||||||||||||
 | |  | |  |  |  |  |  | | | | | |  | |  | |  |  | | |  | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | 2 | 2 | 2 | 5 | 14 | 10 | 4 | 6 | 12 | 8 | 8 | 6 | 3 | 1 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 17 | 15 | 15 | 13 |
Feels °C | 13 | 14 | 13 | 12 | 14 | 9 | 12 | 10 | 3 | 2 | 3 | 2 | 2 | 4 | 4 | 4 | 4 | 3 | 4 | 6 | 10 | 7 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 15 | WSW 15 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 1804 | 2558 | 3371 | 7332 | 7433 | 6749 | 6226 | 6129 | 4605 | 3800 | 3798 | 3504 | 3484 | 2629 | 2122 | 1929 | 1470 | 1283 | 1151 | 862 | 737 | 493 | 412 | 341 |
Swell 2 Height (m) Direction Period (s) | WSW 22 | W 21 | W 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 21 | W 22 | W 22 | SW 20 | WSW 20 | S 5 |
| kJ | 95 | 233 | 799 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 9 | 9 | 15 | 38 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 26 | W 24 | SW 24 | WSW 22 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 11 | 22 | 92 |
Wind waves Height (m) Direction Period (s) | NNW 4 | N 4 | — | — | — | — | — | SSW 6 | S 5 | S 6 | S 6 | S 5 | SSE 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 4 | SE 4 | SE 4 | SSE 4 | SSE 4 | SE 4 |
| kJ | 18 | 9 | — | — | — | — | — | 106 | 110 | 163 | 152 | 129 | 78 | 75 | 75 | 91 | 75 | 44 | 35 | 17 | 12 | 32 | 37 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 299 | 299 | 209 | 144 | 28 | 28 | 0 | 0 | 144 | 144 | 1908 | 1138 | 145 | 145 | 1650 | 166 | 166 | 166 | 210 | 28 | 145 | 145 | 187 | 145 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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