Surf Forecasts:
How big are the waves at Cathedral Rock today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 4.5ft (1.4m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 5ft (1.6m), 15s period with WSW swell.
- Evening surf: Evening surf (16 Jul, local time) - 5.5ft (1.7m), 14s period with WSW swell.
The current surf forecast for Cathedral Rock at 2AM is: 1.5m 16s primary swell from a West-southwest direction and 0.2m 13s secondary swell from a West-northwest direction, 0.9m 6s secondary swell from a North-northwest direction (forecast issued at 07:00pm July 15). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 4.5ft (1.4m) | 15s |
| Afternoon (16 Jul) | 5ft (1.6m) | 15s |
| Evening (16 Jul) | 5.5ft (1.7m) | 14s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Thu afternoon. Warm (max 22°C on Wed night, min 15°C on Sat morning). Winds increasing (light winds from the SSW on Thu night, near gales from the W by Fri night). | ||||||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 14 | W 14 | W 13 | WSW 13 | WSW 13 | WSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 935 | 838 | 1199 | 1107 | 904 | 917 | 929 | 983 | 1061 | 1154 | 947 | 989 | 960 | 841 | 786 | 660 | 727 | 558 | 671 | 2452 | 3459 | 3932 | 4471 | 5068 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-off | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:30AM1.03m | 11:01AM0.88m | 11:19AM0.73m | |||||||||||||||||||||
Low Tide | 7:16PM0.37m | 7:49PM0.37m | 8:08PM0.38m | |||||||||||||||||||||
 |  |  | | |  |  |  | |  | | | | | |  | |  | | | | | | | |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | 5:31 |
mm | — | — | — | — | — | — | 2 | 10 | 9 | 2 | 1 | 1 | — | — | — | — | 1 | 1 | — | 2 | 1 | — | — | — |
Temp °C | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 15 | 16 | 17 |
Feels °C | 18 | 17 | 16 | 15 | 13 | 13 | 13 | 13 | 14 | 19 | 18 | 16 | 13 | 15 | 16 | 16 | 14 | 13 | 11 | 9 | 7 | 6 | 8 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WNW 8 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 14 | — | — | — | WSW 13 | WSW 14 |
| kJ | 935 | 838 | 1199 | 1107 | 904 | 917 | 929 | 983 | 1061 | 1154 | 362 | 989 | 960 | 841 | 786 | 660 | 727 | 558 | 671 | — | — | — | 4471 | 5068 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 12 | NW 13 | WNW 13 | NW 13 | NW 13 | WNW 13 | — | WSW 10 | WNW 12 | WSW 14 | WNW 8 | WNW 7 | — | WNW 7 | WNW 7 | NW 11 | — | — | — | — | — | — | — |
| kJ | 283 | 274 | 7 | 17 | 7 | 7 | 16 | — | 43 | 14 | 947 | 257 | 172 | — | 136 | 102 | 5 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 13 | NW 13 | — | — | — | — | — | — | — | — | W 10 | — | — | — | — | NW 11 | — | — | — | — | — | — | — | — |
| kJ | 7 | 7 | — | — | — | — | — | — | — | — | 29 | — | — | — | — | 5 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NNW 6 | NW 5 | NW 6 | NW 6 | NW 7 | WNW 7 | WNW 8 | — | — | — | WNW 8 | — | NW 7 | NW 7 | WNW 7 | W 7 | W 14 | W 13 | WSW 13 | WSW 13 | — |
| kJ | 56 | 62 | 62 | 63 | 57 | 88 | 171 | 386 | 504 | 546 | — | — | — | 169 | — | 37 | 36 | 154 | 212 | 2452 | 3459 | 3932 | 4007 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 44 | 299 | 410 | 325 | 395 | 209 | 173 | 177 | 144 | 0 | 50 | 144 | 57 | 1 | 355 | 355 | 325 | 377 | 377 | 377 | 417 | 417 | 687 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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