Surf Forecasts:
How big are the waves at Cathedral Rock today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 8ft (2.5m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 11ft (3.5m), 9s period with WSW swell.
- Evening surf: Evening surf (10 Aug, local time) - 10ft (3.0m), 11s period with SW swell.
The current surf forecast for Cathedral Rock at 1AM is: 2.3m 15s primary swell from a West-southwest direction and 0.6m 20s secondary swell from a West-southwest direction, 0.4m 20s secondary swell from a West-southwest direction (forecast issued at 07:00pm August 09). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 8ft (2.5m) | 14s |
| Afternoon (10 Aug) | 11ft (3.5m) | 9s |
| Evening (10 Aug) | 10ft (3.0m) | 11s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Mon morning. Very mild (max 16°C on Sun night, min 11°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, calm by Tue night). | |||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | |||||||||||||||||
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 16 | WSW 16 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 7 | WSW 9 | WSW 10 | SW 11 | WSW 12 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 3412 | 3102 | 1286 | 2334 | 2445 | 2648 | 870 | 1771 | 2371 | 2476 | 3128 | 3861 | 5120 | 5155 | 4849 | 3832 | 4036 | 3740 | 3113 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:24AM1.13m | 8:20AM1.10m | |||||||||||||||||
Low Tide | 4:17PM0.35m | 4:52PM0.34m | 5:25PM0.33m | ||||||||||||||||
 |  |  | | |  | |  | | | | | |  | | | |  | | |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 16 | 16 | 16 |
Feels °C | 13 | 12 | 10 | 10 | 8 | 8 | 6 | 3 | 1 | 0 | 0 | 2 | 3 | 5 | 8 | 9 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 16 | WSW 16 | WSW 20 | — | — | — | — | — | W 10 | WSW 12 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 3412 | 3102 | 892 | 298 | — | — | — | — | — | 434 | 3128 | 3861 | 5120 | 5155 | 4849 | 3832 | 4036 | 3740 | 3113 |
Swell 2 Height (m) Direction Period (s) | WSW 21 | NW 11 | WSW 20 | NW 11 | — | — | — | — | — | — | W 10 | — | W 10 | W 10 | W 10 | W 9 | — | — | — |
| kJ | 258 | 5 | 151 | 5 | — | — | — | — | — | — | 49 | — | 49 | 49 | 31 | 198 | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 11 | — | NW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 7 | WSW 9 | WSW 10 | SW 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1286 | 2334 | 2445 | 2648 | 870 | 1771 | 2371 | 2476 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 309 | 124 | 309 | 345 | 345 | 367 | 687 | 2461 | 2461 | 1775 | 144 | 144 | 33 | 28 | 28 | 118 | 118 | 57 | 28 |
Best forecast wave conditions in Rottnest Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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