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Surf Forecasts:
Mona Vale-The Basin surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 4 am Sunday 14 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Mona Vale-The Basin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mona Vale-The Basin sea temperature is
22.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Mona Vale-The Basin today?
The current surf forecast for Mona Vale-The Basin at 10AM is: 1.1m 7s primary swell from a East direction and 0.4m 10s secondary swell from a East direction (forecast issued at 04:00am December 14). The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 3.5ft (1.1m) | 7s |
| Afternoon (14 Dec) | 4.5ft (1.3m) | 8s |
| Evening (14 Dec) | 3.5ft (1.1m) | 8s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 114 | 114 | 120 | 127 | 193 | 232 | 135 | 148 | 111 | 94 | 73 | 73 | 73 | 61 | 40 | 37 | 26 | 36 | 35 | 44 | 44 | 33 | 22 | 24 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | off | cross- off | glass | cross- off | cross | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:10AM 1.27 | 5:05PM 1.02 | 5:53AM 1.34 | 6:02PM 0.98 | 6:32AM 1.41 | 6:54PM 0.98 | ||||||||||||||||||
Low Tide / height (m) | 11:31AM 0.52 | 11:07PM 0.36 | 12:28PM 0.45 | 11:48PM 0.38 | 1:16PM 0.38 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - |
 |  |  | | |  |  |  |  | |  | | | | | | | | | | | | | | |
Rain (mm) | 3 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 20 | 25 | 29 | 29 | 24 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 |
| Feels °C (?) | 21 | 20 | 20 | 25 | 30 | 30 | 25 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 16 | 16 | 15 | 17 | 17 | 16 | 17 | 18 | 18 |
- 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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