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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 pm Sunday 17 May 2026 AESTForecast update in hr min s Forecast update imminent
Avalon-South surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalon-South sea temperature is
20.6° C
(Which is normal for this time of year)How big are the waves at Avalon-South today?
The current surf forecast for Avalon-South at 2AM is: 2.2m 9s primary swell from a East direction (forecast issued at 09:00pm May 17). An open ocean swell of 0.1m 16s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 7.5ft (2.3m) | 9s |
| Afternoon (18 May) | 7ft (2.1m) | 9s |
| Evening (18 May) | 6.5ft (2.0m) | 9s |
Table - waves today at Avalon-South. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Warm (max 20°C on Mon morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 9 | ENE 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | |
846 | 880 | 794 | 808 | 897 | 758 | 677 | 662 | 595 | 581 | 482 | 510 | 631 | 885 | 1157 | 1152 | 999 | 954 | 889 | 787 | 712 | 622 | 555 | 492 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | off | cross-off | glassy | glassy | cross | glassy | cross-off | cross-off | glassy | glassy | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | |
High Tide | 8:30PM1.80m | 9:17AM1.18m | 9:19PM1.80m | 10:14AM1.12m | 10:12PM1.76m | 11:14AM1.07m | ||||||||||||||||||
Low Tide | 3:17AM-0.04m | 2:48PM0.24m | 4:13AM-0.03m | 3:38PM0.30m | 5:10AM0.01m | |||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | |  |  |  |  | | | |
 | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — |
 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 |
— | 1 | — | 1 | 1 | — | — | 1 | 1 | 2 | 3 | 2 | 2 | — | — | 1 | 2 | 1 | 2 | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 17 | 17 | 18 | 20 | 18 | 18 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 14 | 16 | 17 | 17 |
20 | 20 | 19 | 17 | 18 | 18 | 20 | 19 | 19 | 16 | 18 | 17 | 16 | 16 | 17 | 15 | 13 | 14 | 13 | 13 | 11 | 12 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ENE 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 846 | 880 | 794 | 808 | 897 | 758 | 677 | 662 | 595 | 581 | 482 | 510 | 631 | 885 | 1157 | 1152 | 999 | 954 | 889 | 787 | 712 | 622 | 555 | 492 |
Swell 2 Height (m) Direction Period (s) | — | — | S 17 | — | — | — | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | SSW 4 | SSW 6 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 44 | 312 | 680 | 897 | 1137 | 1342 | 1190 | 999 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 132 | 132 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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