Little Austi and Main Beach surfForecast / NSW – Illawarra / Australia

information circle16 Day Weather and Surf, issued 9 am Sunday 19 Apr 2026 AEST
Forecast update in hr  min  s Forecast update imminent
Little Austi and Main Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Little Austi and Main Beach sea temperature is
22.0° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Little Austi and Main Beach this week:

The surf forecast for Little Austi and Main Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 22) at 10PM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 0.8m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Little Austi and Main Beach in the next 16 days are 3.0m 12s and forecast to arrive on Monday (Apr 20) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 13s period and expected on Sunday (Apr 19) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 22nd Apr)7ft (2.1m) 11s
Best Surf10PM (Wed 22nd Apr)7ft (2.1m) 11s
Most Powerful10AM (Mon 20th Apr)10ft (3.0m) 12s

Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Fri morning, min 13°C on Thu night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
1
3
1
0
1
2
3
4
4
2
3
2
1
2
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
3
S
3
S
3
SSE
3
SSE
2.5
SSE
2.4
SSE
2.2
SSE
1.7
SSE
1.9
SE
2.1
SE
2.2
SE
1.9
SE
1.7
SE
1.6
SE
1.4
SE
1.1
SE
0.9
SE
0.9
ESE
0.9
ESE
0.8
E
0.8
E
Period(s) (?)12121212121111101011111111111110910998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)0002471188113161102551725101511839407016154082201351671389982
Wind
(km/h)
10
S
20
SSE
10
SW
15
S
20
S
15
SW
15
SSW
20
S
10
SSW
10
S
10
SE
5
WSW
0
SSE
10
E
10
WNW
5
NNW
15
ENE
5
WNW
5
NE
10
ENE
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
oncross-
off
glasscross-
on
cross-
off
cross-
off
crosscross-
off
glasscross-
on
cross-
off
High Tide
/ height (m)
9:36PM
1.69
10:21AM
1.17
10:26PM
1.66
11:20AM
1.08
11:21PM
1.60
12:28PM
1.01
12:23AM
1.52
1:44PM
0.98
1:32AM
1.44
3:00PM
1.00
2:45AM
1.38
4:06PM
1.07
3:53AM
1.34
Low Tide
/ height (m)
3:11PM
0.20
4:19AM
0.02
3:56PM
0.28
5:17AM
0.07
4:46PM
0.36
6:21AM
0.13
5:45PM
0.45
7:31AM
0.18
6:56PM
0.51
8:42AM
0.21
8:18PM
0.53
9:45AM
0.21
9:37PM
0.51
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunrise6:20--6:22--6:22--6:22--6:24--6:24--6:26--
Sunset-5:29--5:27--5:25--5:24--5:23--5:22--5:22-
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C181714191916191917191916191915222016212016
Feels °C (?)151312151613151515171716181815191816201916
  • 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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Information about the Little Austi and Main Beach Surf forecast

The above surf forecast table for Little Austi and Main Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Little Austi and Main Beach can be found by selecting the local surf guide option on the grey menu. Our Little Austi and Main Beach 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 (Little Austi and Main Beach) 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 Little Austi and Main Beach 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.

Are you planning a holiday in Illawarra? If you are looking for accommodation near Little Austi and Main Beach, camping, hotels and holiday cottages in Illawarra, consider staying in Wollongong which is 15 km (9 miles) away. Other places in and around Illawarra where you can find information about places to rent, and car hire include Port Kembla which is 22 km (14 miles) away, Engadine, Caringbah and Cronulla.

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