Surf Forecasts:
How big are the waves at Collaroy today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 5s period with NE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3ft (0.9m), 6s period with ENE swell.
- Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.3m), 6s period with ENE swell.
The current surf forecast for Collaroy at 2AM is: 0.7m 9s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction, 1.1m 5s secondary swell from a Northeast direction (forecast issued at 09:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 5s |
| Afternoon (20 Aug) | 3ft (0.9m) | 6s |
| Evening (20 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 20°C on Thu morning, min 14°C on Wed 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) | ESE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 6 | ENE 6 | NE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||
 kJ | 108 | 95 | 81 | 77 | 65 | 69 | 41 | 77 | 111 | 172 | 130 | 88 | 64 | 51 | 39 | 26 | 25 | 18 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | cross | cross | cross-off | cross-on | cross | cross | cross | cross | cross |
High Tide | 1:11AM0.94m | 1:50PM1.27m | 2:23AM0.87m | 2:55PM1.26m | ||||||||||||||
Low Tide | 7:33PM0.49m | 6:56AM0.47m | 8:49PM0.51m | 7:52AM0.53m | ||||||||||||||
 | | | |  |  | |  |  | | | | | | | | | | |
 | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 14 | 14 | 17 | 20 | 18 | 19 | 19 | 17 | 16 | 16 | 16 | 18 | 16 | 15 | 16 |
Feels °C | 11 | 13 | 12 | 12 | 12 | 14 | 17 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 9 | SE 9 | NE 5 | ENE 6 | ENE 6 | ESE 6 | SE 7 | ESE 8 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | NE 6 |
| kJ | 108 | 95 | 81 | 55 | 49 | 40 | 27 | 23 | 6 | 122 | 130 | 88 | 64 | 51 | 39 | 26 | 25 | 18 |
Swell 2 Height (m) Direction Period (s) | S 9 | — | E 12 | SE 9 | SE 8 | ESE 6 | E 11 | E 10 | E 10 | S 13 | S 12 | S 12 | S 12 | S 11 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 13 | — | 3 | 77 | 53 | 37 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | S 14 | — | E 12 | E 11 | E 11 | S 14 | — | S 13 | — | — | S 13 | — | S 11 | S 11 | S 11 | S 10 | S 10 |
| kJ | — | 4 | — | 3 | 3 | 2 | 4 | — | 3 | — | — | 3 | — | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | NNE 5 | NE 5 | NE 6 | ENE 6 | NE 6 | ENE 6 | NE 6 | — | — | — | — | NW 2 | NW 3 | NNW 3 | NNW 3 |
| kJ | 73 | 90 | 72 | 42 | 65 | 69 | 41 | 77 | 111 | 172 | — | — | — | — | 1 | 4 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 127 | 23 | 1 | 1 | 1 | 1 | 23 | 61 | 3 | 1 | 1 | 0 | 1 | 1 | 45 | 45 | 45 | 229 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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