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Surf Forecasts:
Collaroy surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 10 am Friday 12 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Collaroy surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Collaroy sea temperature is
22.7° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Collaroy today?
The current surf forecast for Collaroy at 4PM is: 1.1m 12s primary swell from a East direction and 1.1m 5s secondary swell from a East-southeast direction (forecast issued at 10:00am December 12). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3ft (0.9m) | 12s |
| Afternoon (12 Dec) | 3.5ft (1.1m) | 12s |
| Evening (12 Dec) | 3.5ft (1.1m) | 12s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 193 | 290 | 339 | 333 | 327 | 311 | 632 | 546 | 457 | 394 | 448 | 166 | 166 | 164 | 127 | 134 | 142 | 150 | 220 | 319 | 190 | 160 | 148 | 107 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross | cross- off | glass | on | on | on | cross- on | off | glass | cross | cross | glass | on | on | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:04PM 1.20 | 4:20AM 1.20 | 4:05PM 1.10 | 5:09AM 1.27 | 5:06PM 1.02 | |||||||||||||||||||
Low Tide / height (m) | 9:07AM 0.56 | 9:42PM 0.30 | 10:22AM 0.56 | 10:26PM 0.34 | 11:30AM 0.51 | 11:08PM 0.37 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | - | 8:00 | - | - | - |
 | | | |  | |  | |  | |  | |  |  | | | | | | |  | | | | |
Rain (mm) | 4 | 3 | 3 | 15 | - | - | - | - | - | - | - | - | - | 2 | 5 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 18 | 19 | 19 | 18 | 17 | 18 | 22 | 22 | 22 | 21 | 20 | 19 | 18 | 20 | 26 | 27 | 26 | 24 | 19 | 18 | 18 |
| Feels °C (?) | 19 | 20 | 18 | 17 | 19 | 20 | 19 | 17 | 19 | 22 | 20 | 21 | 20 | 21 | 21 | 19 | 20 | 27 | 26 | 25 | 27 | 13 | 14 | 16 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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