Surf Forecasts:
How big are the waves at Cathedral Rock today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 15s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 16s period with SW swell.
The current surf forecast for Cathedral Rock at 3AM is: 1.8m 15s primary swell from a Southwest direction and 1.0m 6s secondary swell from a East-southeast direction (forecast issued at 09:00pm August 17). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.5m) | 14s |
| Afternoon (18 Aug) | 4ft (1.2m) | 15s |
| Evening (18 Aug) | 4.5ft (1.3m) | 16s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 17°C on Tue morning, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||
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 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | WSW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 1953 | 1785 | 1563 | 1124 | 1124 | 915 | 711 | 553 | 793 | 711 | 605 | 412 | 412 | 309 | 326 | 340 | 314 | 334 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 3:09AM2.01m | 3:16PM2.00m | 3:54AM2.03m | 3:51PM1.94m | ||||||||||||||
Low Tide | 8:54PM0.16m | 9:13AM0.33m | 9:33PM0.10m | 9:56AM0.42m | ||||||||||||||
 | | |  | |  |  | |  | |  | | | |  |  | | | |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 2 | — | — |
Temp °C | 12 | 13 | 10 | 10 | 10 | 12 | 17 | 17 | 15 | 13 | 12 | 13 | 14 | 14 | 14 | 15 | 14 | 12 |
Feels °C | 11 | 13 | 9 | 8 | 8 | 9 | 13 | 13 | 12 | 10 | 9 | 10 | 10 | 9 | 10 | 12 | 12 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | NE 6 | SW 15 | WSW 15 |
| kJ | 1953 | 1785 | 1563 | 1124 | 1124 | 915 | 711 | 553 | 793 | 711 | 605 | 412 | 412 | 309 | 326 | 52 | 314 | 334 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | ESE 6 | ESE 6 | ESE 6 | SW 18 | SW 18 | SW 13 | WSW 13 | S 16 | ESE 5 | ESE 5 | ESE 5 | — | ESE 7 | SW 15 | NE 5 | NE 5 |
| kJ | 5 | 20 | 69 | 57 | 45 | 212 | 307 | 245 | 312 | 5 | 13 | 18 | 5 | — | 5 | 340 | 17 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | S 18 | SW 19 | SW 18 | S 10 | ESE 5 | S 17 | S 16 | — | — | S 16 | S 15 | — | — | — | E 7 | SW 20 |
| kJ | — | — | 6 | 350 | 328 | 2 | 23 | 5 | 5 | — | — | 5 | 4 | — | — | — | 4 | 97 |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | — | E 6 | E 6 | E 6 | NE 4 | E 4 | E 4 | E 4 | NE 4 | NE 4 | NE 5 | NE 5 | NE 6 | NNE 5 | NNE 5 | NW 2 |
| kJ | 27 | 51 | — | 78 | 62 | 38 | 8 | 27 | 25 | 16 | 10 | 20 | 55 | 62 | 72 | 90 | 37 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 57 | 48 | 0 | 0 | 57 | 0 | 0 | 0 | 0 | 7 | 0 | 5 |
Best forecast wave conditions in Cape Otway | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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