Surf Forecasts:
How big are the waves at Collaroy today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.5m), 3s period with NE swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.5m), 4s period with NE swell.
The current surf forecast for Collaroy at 2PM is: 0.4m 3s primary swell from a Northeast direction (forecast issued at 09:00am September 20). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.4m 18s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 1.5ft (0.5m) | 3s |
| Evening (20 Sep) | 1.5ft (0.5m) | 4s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Tue night. Warm (max 28°C on Mon morning, min 14°C on Mon afternoon). Winds increasing (light winds from the NNW on Sun morning, fresh winds from the SSE by Mon morning). | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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 | 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) | SE 7 | S 10 | NE 2 | NE 4 | NNE 4 | NE 4 | NW 3 | NW 3 | NW 3 | N 3 | E 11 | E 11 | NE 6 | S 10 | S 10 | S 10 | S 9 | SSE 8 | E 11 | E 15 | E 5 | E 5 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2 | 0 | 1 | 12 | 14 | 9 | 1 | 3 | 3 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 28 | 48 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | on | on | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on |
High Tide | 3:17PM1.24m | 4:28AM0.91m | 4:18PM1.28m | 5:17AM0.99m | 5:08PM1.34m | |||||||||||||||||
Low Tide | 8:25AM0.61m | 10:27PM0.44m | 9:41AM0.58m | 11:15PM0.37m | 10:42AM0.52m | |||||||||||||||||
 | | | |  | | | | | | |  |  |  | | | | | | | |  | |
 | 5:48 | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 3 |
Temp °C | 18 | 24 | 27 | 26 | 27 | 25 | 21 | 21 | 22 | 28 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 |
Feels °C | 14 | 20 | 22 | 23 | 22 | 21 | 16 | 16 | 17 | 23 | 10 | 11 | 9 | 10 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 8 | NE 4 | S 17 | S 10 | S 10 | S 11 | S 11 | NNE 5 | NE 6 | S 12 | S 10 | S 10 | S 10 | S 9 | SSE 8 | S 11 | SSE 10 | S 10 | S 10 |
| kJ | 79 | 133 | 94 | 66 | 10 | 214 | 53 | 75 | 108 | 114 | 2 | 1 | 102 | 1600 | 1506 | 872 | 562 | 264 | 595 | 551 | 319 | 262 |
Swell 2 Height (m) Direction Period (s) | S 18 | SSW 4 | S 19 | S 18 | S 18 | NE 4 | S 17 | S 17 | S 16 | N 3 | E 11 | E 11 | NE 6 | — | S 18 | S 16 | S 20 | S 11 | S 19 | E 15 | S 19 | S 19 |
| kJ | 25 | 4 | 110 | 159 | 219 | 9 | 147 | 91 | 46 | 1 | 2 | 2 | 1 | — | 25 | 21 | 8 | 189 | 29 | 4 | 62 | 171 |
Swell 3 Height (m) Direction Period (s) | SE 7 | S 18 | S 4 | E 11 | S 8 | S 7 | S 7 | S 7 | ENE 4 | NE 4 | — | — | — | — | S 21 | — | S 20 | S 20 | E 11 | E 15 | S 15 | E 11 |
| kJ | 2 | 56 | 2 | 2 | 28 | 26 | 15 | 8 | 2 | 1 | — | — | — | — | 8 | — | 31 | 8 | 2 | 4 | 38 | 2 |
Wind waves Height (m) Direction Period (s) | SW 5 | WNW 2 | NE 2 | NE 4 | NNE 4 | — | NW 3 | NW 3 | NW 3 | WNW 3 | S 4 | SSE 6 | SSE 8 | S 10 | — | — | — | — | — | — | E 5 | E 5 |
| kJ | 6 | 1 | 1 | 12 | 14 | — | 1 | 3 | 3 | 1 | 66 | 284 | 644 | 1924 | — | — | — | — | — | — | 28 | 48 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1 | 1 | 22 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 172 | 582 | 341 | 214 | 159 | 112 | 2 | 1 | 1 | 1 | 16 | 22 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||
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