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Avalon-South Surf Forecast
/ NSW – Sydney North Coast (39 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Avalon-South surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 9 am Thursday 18 Sep 2025 AEST
How big are the waves at Avalon-South today?
The current surf forecast for Avalon-South at 4PM is: 0.6m 7s primary swell from a Northeast direction and 0.1m 11s secondary swell from a East direction (forecast issued at 09:00am September 18). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.4m) | 7s |
| Afternoon (18 Sep) | 2ft (0.6m) | 7s |
| Evening (18 Sep) | 3.5ft (1.1m) | 4s |
Table - waves today at Avalon-South. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 18 | 18 | 42 | 29 | 66 | 182 | 101 | 94 | 71 | 78 | 78 | 67 | 62 | 100 | 90 | 54 | 38 | 30 | 19 | 21 | 23 | 23 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | on | cross- on | cross- on | cross | cross- off | off | cross- off | cross | cross- on | glass | cross | cross- off | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 5:53AM 1.08 | 5:49PM 1.49 | 6:36AM 1.16 | 6:34PM 1.51 | 7:12AM 1.25 | 7:14PM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 11:24AM 0.41 | 12:31AM 0.17 | 12:15PM 0.35 | 1:07AM 0.15 | 1:00PM 0.29 | 1:39AM 0.14 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | 5:50 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - |
 | | | |  | | | | | |  | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 16 | 18 | 17 | 17 | 16 | 14 | 13 | 13 | 19 | 22 | 22 | 19 | 17 | 16 | 16 | 17 | 20 | 21 | 20 | 16 | 13 | 12 | 10 |
| Feels °C (?) | 8 | 14 | 16 | 13 | 14 | 14 | 13 | 11 | 10 | 16 | 18 | 22 | 18 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 10 | 8 | 8 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for NSW - Sydney North Coast
Continuing clean conditions at Avalon-South (calm at Cromer wx 13 km from Avalon-South). 0.4m 7s swell from the NE with a 0.1m 11s groundswell from the E. 2 swells combining to make bigger set waves.
2 h 16 min ago
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