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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Mona Vale Beach surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 4 am Thursday 18 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Mona Vale Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mona Vale Beach sea temperature is
22.1° C
(Which is normal for this time of year)How big are the waves at Mona Vale Beach today?
The current surf forecast for Mona Vale Beach at 12PM is: 0.9m 6s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a East direction (forecast issued at 04:00am December 18). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 3.5ft (1.1m) | 6s |
| Afternoon (18 Dec) | 4ft (1.2m) | 5s |
| Evening (18 Dec) | 5.5ft (1.7m) | 6s |
Table - waves today at Mona Vale Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 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 | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 124 | 86 | 76 | 47 | 73 | 111 | 223 | 268 | 316 | 327 | 178 | 142 | 142 | 122 | 115 | 105 | 93 | 105 | 90 | 77 | 77 | 89 | 102 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | glass | cross- off | glass | cross | cross- off | on | cross- off | off | cross | cross- on | cross- off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 7:47AM 1.51 | 8:25PM 1.00 | 8:24AM 1.55 | 9:05PM 1.01 | 9:02AM 1.58 | 9:44PM 1.01 | ||||||||||||||||||
Low Tide / height (m) | 1:08AM 0.39 | 2:37PM 0.26 | 1:48AM 0.39 | 3:16PM 0.21 | 2:26AM 0.38 | 3:54PM 0.19 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:02 | - |
 | |  | | |  | | | | | | | | | |  | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 19 | 25 | 27 | 26 | 24 | 23 | 23 | 22 | 25 | 33 | 32 | 32 | 26 | 25 | 25 | 24 | 22 | 27 | 30 | 27 | 24 | 23 |
| Feels °C (?) | 18 | 16 | 19 | 24 | 25 | 23 | 22 | 23 | 23 | 23 | 25 | 33 | 30 | 30 | 25 | 26 | 26 | 24 | 22 | 28 | 29 | 25 | 24 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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