Surf Forecasts:
How big are the waves at Collaroy today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3.5ft (1.0m), 7s period with ESE swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
The current surf forecast for Collaroy at 3AM is: 0.9m 6s primary swell from a East-southeast direction and 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 09:00pm August 16). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.1m) | 7s |
| Afternoon (17 Aug) | 3.5ft (1.0m) | 7s |
| Evening (17 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun night. Very mild (max 16°C on Mon morning, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | ||||||||||||||||
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 6 | SE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ESE 7 | SE 7 | ESE 13 | ESE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 62 | 78 | 46 | 74 | 93 | 102 | 102 | 83 | 85 | 99 | 93 | 114 | 57 | 57 | 93 | 69 | 93 | 104 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | on | glassy | glassy | cross-on | cross | cross | cross | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on |
High Tide | 10:45PM1.37m | 11:22AM1.35m | 11:29PM1.21m | 12:06PM1.33m | ||||||||||||||
Low Tide | 4:40PM0.29m | 5:02AM0.20m | 5:32PM0.36m | 5:37AM0.30m | 6:28PM0.43m | |||||||||||||
 | | | |  | | | |  |  | | |  |  | | |  | | |
 | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — |
mm | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | — | — | 1 | — | — | 1 | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
Feels °C | 12 | 13 | 14 | 15 | 13 | 12 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 13 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | S 7 | SE 6 | S 11 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | S 9 | S 9 | S 8 | S 8 | S 12 | SE 7 | SE 7 | ESE 7 | SE 7 | ESE 7 | ESE 8 |
| kJ | 107 | 78 | 182 | 74 | 93 | 102 | 102 | 76 | 73 | 50 | 49 | 97 | 57 | 57 | 93 | 69 | 62 | 104 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 11 | ESE 6 | S 10 | S 10 | S 10 | S 9 | SSW 13 | ENE 9 | S 12 | S 12 | ESE 11 | S 11 | S 11 | S 11 | S 11 | ESE 13 | ESE 12 |
| kJ | 55 | 189 | 46 | 168 | 118 | 113 | 106 | 53 | 16 | 25 | 24 | 12 | 90 | 82 | 56 | 56 | 93 | 85 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | S 18 | SSE 6 | E 8 | ENE 10 | ENE 10 | SSW 13 | SSW 12 | ENE 9 | ENE 9 | SE 10 | ENE 10 | SE 10 | E 9 | ESE 14 | ESE 14 | S 11 | S 10 |
| kJ | 20 | 54 | 23 | 19 | 10 | 10 | 53 | 30 | 16 | 17 | 16 | 9 | 27 | 6 | 41 | 61 | 55 | 50 |
Wind waves Height (m) Direction Period (s) | ESE 6 | — | — | — | — | — | — | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ENE 5 | ENE 6 | ENE 5 | ENE 5 | ENE 6 | — |
| kJ | 62 | — | — | — | — | — | — | 83 | 85 | 99 | 93 | 114 | 30 | 31 | 24 | 16 | 17 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 16 | 2 | 0 | 0 | 17 | 5 | 5 | 38 | 23 | 23 | 3 | 1 | 17 | 35 | 35 | 35 | 1 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
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