Surf Forecasts:
How big are the waves at Cathedral Rock today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 4ft (1.2m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 4.5ft (1.4m), 16s period with WSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 4.5ft (1.3m), 16s period with WSW swell.
The current surf forecast for Cathedral Rock at 4AM is: 0.6m 19s primary swell from a West-southwest direction and 0.9m 7s secondary swell from a South-southwest direction, 0.8m 12s secondary swell from a West-southwest direction (forecast issued at 01:00am June 18). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 4ft (1.2m) | 14s |
| Afternoon (18 Jun) | 4.5ft (1.4m) | 16s |
| Evening (18 Jun) | 4.5ft (1.3m) | 16s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sat night, min 11°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 20 | WSW 19 | SW 14 | SW 15 | WSW 16 | 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 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 221 | 243 | 606 | 623 | 981 | 505 | 635 | 1081 | 1214 | 1150 | 1136 | 1107 | 879 | 845 | 822 | 716 | 706 | 669 | 557 | 534 | 512 | 537 | 545 | 508 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 11:04AM1.09m | 11:32AM0.94m | 11:43AM0.80m | |||||||||||||||||||||
Low Tide | 9:31PM0.41m | 10:06PM0.42m | 10:12PM0.45m | |||||||||||||||||||||
 | |  | | | | | | | | | |  | |  | | | | |  | | |  | | |
 | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 11 | 12 | 13 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 16 | 17 | 18 | 18 |
Feels °C | 8 | 7 | 7 | 9 | 10 | 10 | 11 | 9 | 10 | 10 | 9 | 8 | 12 | 13 | 12 | 10 | 9 | 9 | 9 | 9 | 11 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SW 14 | SW 15 | WSW 16 | SW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 96 | 56 | 606 | 623 | 981 | 406 | 635 | 1081 | 1214 | 1150 | 1136 | 1107 | 879 | 845 | 822 | 716 | 706 | 669 | 557 | 534 | 512 | 537 | 545 | 508 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 18 | WSW 18 | — | WSW 16 | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 169 | 169 | 404 | 360 | — | 505 | 290 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | WSW 20 | WSW 19 | WSW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 221 | 243 | 236 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 3 | NE 3 | NNE 3 | N 3 | N 4 | NNW 4 | NW 4 | NW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 5 | 6 | 8 | 6 | 6 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 28 | 28 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 35 | 7 | 318 | 35 | 34 | 28 |
Best forecast wave conditions in Rottnest Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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