Avalon-North surfForecast / NSW – Sydney North Coast / Australia

information circle16 Day Weather and Surf, issued 9 pm Wednesday 08 Apr 2026 AEST
Forecast update in hr  min  s Forecast update imminent
Avalon-North surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalon-North sea temperature is
22.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Avalon-North this week:

The surf forecast for Avalon-North over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 09) at 4AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Avalon-North in the next 16 days are 2.0m 15s and forecast to arrive on Monday (Apr 13) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Monday (Apr 13) at 1PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 9th Apr)2.5ft (0.7m) 10s
Best Surf 7AM (Mon 13th Apr)6ft (1.9m) 15s
Most Powerful10AM (Mon 13th Apr)6.5ft (2.0m) 15s

Table - best surf conditions forecast for Avalon-North over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 30°C on Fri morning, min 18°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sun afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun afternoon, calm by Mon night).

Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
1
2
1
2
2
1
2
2
1
3
3
1
2
1
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
E
0.8
E
0.7
E
0.7
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.7
ENE
0.9
ENE
1.2
E
1.3
E
1.4
E
1.7
E
2
E
1.7
E
1.2
E
0.8
E
0.6
E
0.5
E
0.4
E
0.4
E
Period(s) (?)1099151413131313141313141514131312121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8710478193299277242176286561600694111118651196495199103693837
Wind
(km/h)
5
WNW
10
N
20
NE
15
N
5
WNW
10
NNE
10
WSW
15
SW
10
SSE
20
W
20
WSW
25
SW
20
WSW
20
WSW
15
ESE
10
W
15
SW
20
SSE
5
SW
5
NW
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
crossglasscrosscross-
off
cross-
off
crossoffoffcross-
off
offcross-
off
cross-
on
offcross-
off
crosscross-
off
cross-
off
on
High Tide
/ height (m)
12:24AM
1.28
1:31PM
0.87
1:28AM
1.24
2:51PM
0.88
2:37AM
1.24
4:00PM
0.95
3:40AM
1.27
4:52PM
1.05
4:36AM
1.32
5:34PM
1.17
5:25AM
1.37
6:13PM
1.31
6:12AM
1.41
6:51PM
1.44
Low Tide
/ height (m)
7:35AM
0.45
6:36PM
0.61
8:44AM
0.44
7:55PM
0.63
9:46AM
0.40
9:15PM
0.60
10:36AM
0.32
10:22PM
0.53
11:17AM
0.24
11:18PM
0.44
11:55AM
0.17
12:09AM
0.33
12:32PM
0.11
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
Sunrise-6:11--6:11--6:13--6:13--6:13--6:15--6:16-
Sunset--5:39--5:38--5:37--5:36--5:35--5:34--5:32
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
---------------------
Temp. °C212524213029272424172021151818162019182220
Feels °C (?)24242321292924212112141491414141615172017
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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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Information about the Avalon-North Surf forecast

The above surf forecast table for Avalon-North provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Avalon-North can be found by selecting the local surf guide option on the grey menu. Our Avalon-North surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Avalon-North) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Avalon-North may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Avalon-North is 14 km (9 miles) from the city of Dee Why. If you plan a holiday in Sydney North Coast, look for hotels and other accommodation in Dee Why. Dee Why has rooms for a wide range of budgets as well as car hire and transport links.

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