Surf Forecasts:
How big are the waves at Cathedral Rock today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 5.5ft (1.7m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 10ft (3.0m), 14s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 11ft (3.5m), 17s period with WSW swell.
The current surf forecast for Cathedral Rock at 2AM is: 1.3m 16s primary swell from a West-southwest direction and 0.6m 7s secondary swell from a West-southwest direction (forecast issued at 09:00pm August 20). An open ocean swell of 0.4m 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 (21 Aug) | 5.5ft (1.7m) | 15s |
| Afternoon (21 Aug) | 10ft (3.0m) | 14s |
| Evening (21 Aug) | 11ft (3.5m) | 17s |
Table - waves today at Cathedral Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Sat morning, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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) | WSW 13 | WSW 14 | WSW 16 | SW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 17 | WSW 16 | WSW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 373 | 447 | 674 | 1031 | 3175 | 1467 | 3644 | 3135 | 3697 | 7213 | 7188 | 9619 | 5231 | 6750 | 5810 | 5918 | 6516 | 4431 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross | cross-off |
High Tide | 4:26PM1.85m | 5:22AM1.91m | 5:01PM1.75m | 6:08AM1.81m | 5:36PM1.64m | |||||||||||||
Low Tide | 10:49PM0.14m | 11:18AM0.66m | 11:29PM0.22m | 12:00PM0.79m | ||||||||||||||
 |  |  | |  |  |  | | | | | | | | | | | | |
 | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 9 | 9 | 9 | 10 | 12 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 15 | 14 | 11 | 9 |
Feels °C | 6 | 6 | 5 | 5 | 7 | 9 | 11 | 10 | 9 | 7 | 7 | 7 | 8 | 8 | 10 | 10 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 14 | WSW 16 | SW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 373 | 447 | 674 | 1031 | 1257 | 1467 | 1488 | 1370 | 1210 | 2929 | 3238 | 4128 | 3502 | 5394 | 4764 | 4748 | 4619 | 4431 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 17 | WSW 7 | — | SW 20 | SW 20 | — | SW 18 | SW 18 | — | S 18 | S 16 | — | SW 24 | SW 24 | SW 22 | SW 21 | SW 21 |
| kJ | 214 | 222 | 32 | — | 99 | 99 | — | 275 | 600 | — | 6 | 5 | — | 22 | 22 | 163 | 224 | 117 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 15 |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 42 | 39 |
Wind waves Height (m) Direction Period (s) | WNW 3 | WNW 2 | WNW 3 | WNW 3 | WSW 16 | W 10 | WSW 14 | WSW 14 | WSW 14 | WSW 17 | WSW 16 | WSW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 14 | — |
| kJ | 3 | 1 | 1 | 3 | 3175 | 739 | 3644 | 3135 | 3697 | 7213 | 7188 | 9619 | 5231 | 6750 | 5810 | 5918 | 6516 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 5 | 0 | 5 | 5 | 0 | 0 | 0 | 0 | 4 | 5 | 5 | 4 | 18 | 18 | 18 | 18 | 4 | 0 |
Best forecast wave conditions in Cape Otway | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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