Surf Forecasts:
How big are the waves at Cathedral Rock today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 13s period with WSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.0m), 13s period with WSW swell.
The current surf forecast for Cathedral Rock at 4AM is: 1.0m 14s primary swell from a West-southwest direction and 0.4m 19s secondary swell from a Southwest direction (forecast issued at 09:00pm August 19). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 17s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 13s |
| Evening (20 Aug) | 3.5ft (1.0m) | 13s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 14°C on Thu morning, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | SW 17 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 314 | 272 | 268 | 373 | 236 | 241 | 342 | 342 | 373 | 440 | 843 | 843 | 3175 | 1332 | 1488 | 3135 | 3544 | 5786 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:38AM1.99m | 4:26PM1.85m | 5:22AM1.91m | 5:01PM1.75m | ||||||||||||||
Low Tide | 10:11PM0.10m | 10:37AM0.53m | 10:49PM0.14m | 11:18AM0.66m | ||||||||||||||
 |  | | | |  |  | |  |  | | | | | | | |  | |
 | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | 1 | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 12 | 12 | 11 | 12 | 14 | 13 | 11 | 9 | 9 | 9 | 9 | 10 | 14 | 14 | 12 | 12 |
Feels °C | 12 | 10 | 8 | 8 | 8 | 9 | 11 | 10 | 8 | 5 | 5 | 5 | 6 | 7 | 11 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | SW 17 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | SW 17 |
| kJ | 314 | 272 | 268 | 373 | 236 | 241 | 342 | 342 | 373 | 440 | 843 | 843 | 1257 | 1332 | 1488 | 1370 | 1143 | 2683 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 5 | SW 18 | SW 19 | WSW 8 | WSW 13 | SW 17 | SW 16 | SW 16 | SW 17 | — | WSW 7 | SW 20 | SW 20 | WSW 18 | SW 18 | SW 18 | — |
| kJ | 21 | 12 | 121 | 125 | 57 | 154 | 227 | 219 | 214 | 222 | — | 41 | 99 | 99 | 360 | 275 | 600 | — |
Swell 3 Height (m) Direction Period (s) | ESE 7 | SW 20 | ESE 7 | E 7 | SW 18 | WSW 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — |
| kJ | 5 | 97 | 5 | 4 | 162 | 35 | 5 | 5 | 1 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NNE 5 | N 3 | NNW 3 | NW 3 | NW 2 | NW 3 | NW 3 | NW 2 | WNW 2 | WNW 2 | NW 3 | WSW 16 | WSW 10 | — | WSW 14 | WSW 14 | WSW 17 |
| kJ | 45 | 20 | 4 | 4 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 3175 | 681 | — | 3135 | 3544 | 5786 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 7 | 4 | 7 | 0 | 0 | 0 | 0 | 4 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 5 |
Best forecast wave conditions in Cape Otway | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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