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Surf Forecasts:
Collaroy surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 10 pm Saturday 13 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
22.8° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Collaroy today?
The current surf forecast for Collaroy at 4AM is: 1.1m 7s primary swell from a East direction and 0.5m 10s secondary swell from a East direction (forecast issued at 10:00pm December 13). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 3.5ft (1.1m) | 7s |
| Afternoon (14 Dec) | 5ft (1.5m) | 8s |
| Evening (14 Dec) | 5ft (1.6m) | 8s |
Table - waves today at Collaroy. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 139 | 120 | 114 | 114 | 117 | 152 | 193 | 202 | 270 | 148 | 99 | 94 | 73 | 73 | 55 | 55 | 40 | 37 | 26 | 26 | 23 | 33 | 43 | 32 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | glass | cross- on | cross | cross- off | on | on | cross- on | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:09AM 1.27 | 5:06PM 1.02 | 5:52AM 1.34 | 6:03PM 0.99 | 6:32AM 1.40 | |||||||||||||||||||
Low Tide / height (m) | 10:26PM 0.34 | 11:30AM 0.51 | 11:08PM 0.37 | 12:27PM 0.45 | 11:48PM 0.39 | 1:15PM 0.38 | ||||||||||||||||||
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - |
| Sunset | - | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - |
 |  | | |  | | |  | |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 21 | 20 | 20 | 19 | 21 | 25 | 29 | 27 | 23 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 18 | 19 | 19 |
| Feels °C (?) | 21 | 21 | 22 | 20 | 22 | 25 | 29 | 27 | 23 | 13 | 14 | 16 | 17 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 16 | 17 | 17 |
- 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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