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Surf Forecasts:
Mona Vale-The Basin surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 10 pm Friday 19 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
21.9° C
(Which is 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 5AM is: 0.9m 7s primary swell from a East-northeast direction (forecast issued at 10:00pm December 19). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 3ft (0.9m) | 7s |
| Afternoon (20 Dec) | 2.5ft (0.8m) | 7s |
| Evening (20 Dec) | 3.5ft (1.0m) | 7s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 86 | 124 | 96 | 83 | 83 | 67 | 59 | 67 | 89 | 88 | 140 | 131 | 146 | 126 | 134 | 126 | 189 | 242 | 289 | 354 | 334 | 351 | 294 | 225 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | cross- off | cross | glass | on | cross- on | glass | cross- off | glass | glass | glass | off | cross- off | cross- on | cross | cross- on | cross | cross- on | cross- off | off | cross- off | glass | cross- on |
High Tide / height (m) | 9:05PM 1.01 | 9:02AM 1.58 | 9:44PM 1.01 | 9:39AM 1.59 | 10:24PM 1.02 | 10:16AM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 2:26AM 0.38 | 3:54PM 0.19 | 3:05AM 0.38 | 4:32PM 0.18 | 3:43AM 0.39 | |||||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | 8:02 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - |
 |  |  | | |  | | | |  | | |  | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 |
| Temp. °C | 29 | 26 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 25 | 31 | 32 | 28 | 24 | 23 | 23 | 24 | 28 | 32 | 30 | 24 |
| Feels °C (?) | 27 | 26 | 26 | 25 | 26 | 25 | 27 | 29 | 24 | 25 | 26 | 25 | 27 | 32 | 32 | 28 | 24 | 24 | 26 | 25 | 28 | 31 | 32 | 26 |
- 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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