Surf Forecasts:
How big are the waves at Collaroy today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 3.5ft (1.0m), 6s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.1m), 7s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 4.5ft (1.4m), 8s period with E swell.
The current surf forecast for Collaroy at 12AM is: 0.8m 6s primary swell from a East direction (forecast issued at 09:00pm July 17). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 3.5ft (1.0m) | 6s |
| Afternoon (18 Jul) | 3.5ft (1.1m) | 7s |
| Evening (18 Jul) | 4.5ft (1.4m) | 8s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 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) | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 7 | E 7 | E 7 | E 8 | E 9 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 50 | 51 | 51 | 66 | 84 | 108 | 114 | 114 | 183 | 241 | 371 | 1251 | 1230 | 1164 | 1046 | 901 | 803 | 858 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 10:30PM1.64m | 11:22AM1.24m | 11:17PM1.49m | 12:10PM1.25m | ||||||||||||||
Low Tide | 4:09PM0.28m | 5:12AM0.05m | 5:03PM0.34m | 5:53AM0.13m | 6:01PM0.41m | |||||||||||||
 |  | | |  | |  |  |  | | | | | | | | | | |
 | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:06 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 17 | 16 | 15 | 16 |
Feels °C | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 14 | 13 | 14 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | S 10 | S 10 | S 10 | E 7 | S 9 | S 9 | E 9 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 50 | 51 | 51 | 66 | 72 | 48 | 46 | 114 | 43 | 25 | 371 | 1251 | 1230 | 1164 | 1046 | 901 | 803 | 858 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 5 | S 10 | S 10 | S 21 | S 21 | S 20 | S 10 | S 19 | S 19 | ENE 11 | S 18 | S 18 | S 17 | S 17 | S 16 | S 13 | S 13 |
| kJ | 15 | 14 | 106 | 76 | 35 | 34 | 32 | 45 | 66 | 64 | 113 | 99 | 96 | 211 | 195 | 122 | 127 | 165 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 9 | S 21 | S 21 | S 21 | S 19 | S 18 | S 20 | S 18 | S 18 | S 9 | S 8 | S 8 | SE 17 | SE 17 | S 8 | S 8 | SE 16 |
| kJ | 21 | 23 | 35 | 36 | 79 | 7 | 6 | 32 | 6 | 6 | 24 | 23 | 12 | 12 | 11 | 11 | 10 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 6 | ESE 6 | ESE 7 | S 4 | E 7 | E 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 84 | 108 | 114 | 3 | 183 | 241 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 0 | 67 | 67 | 79 | 84 | 67 | 67 | 11 | 2 | 11 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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