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

information circle12 Day Weather and Surf, issued 10 pm Saturday 18 Oct 2025 AEDT
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
19.5° C
(Which is 1.3°C warmer than normal for this time of year)


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

The surf forecast for Little Austi and Main Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 19) at 8AM. The primary swell is predicted to be 0.8m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Little Austi and Main Beach in the next 12 days are 2.1m 8s and forecast to arrive on Wednesday (Oct 22) at 2PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Thursday (Oct 23) at 5PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 19th Oct)2.5ft (0.8m) 7s
Best Surf 2AM (Mon 20th Oct)6.5ft (2.0m) 7s
Most Powerful 2PM (Wed 22nd Oct)7ft (2.1m) 8s

Table - best surf conditions forecast for Little Austi and Main Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 32°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 38°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sat
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
3
2
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ENE
0.7
NE
1.8
NE
2
NNE
1.4
NE
1.4
NE
1.2
NE
1
NE
0.9
NE
0.6
NE
1.5
NE
1.9
ENE
1.8
NE
1.3
NE
1.1
NE
0.8
ENE
0.8
ENE
1.2
ENE
0.7
ENE
0.6
ENE
1.2
SSE
Period(s) (?)76677678878899101011101096
Wave
Graph
(?)Metric surfscale
Energy kJ (?)334319234218116214711688322644695152602111201432728366110
Wind
(km/h)
10
NNE
20
N
30
NE
10
NNW
10
NNW
10
ENE
20
S
10
ESE
15
E
10
NW
20
N
25
NW
25
W
15
SSE
20
SSE
10
SSE
10
NE
30
NE
10
SW
10
SSE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crossoffcross-
off
cross-
on
cross-
on
oncross-
on
offcross-
off
offcross-
off
onononcrosscrosscrosscross-
on
on
High Tide
/ height (m)
7:42AM
1.32
7:49PM
1.29
8:13AM
1.39
8:26PM
1.25
8:43AM
1.45
9:03PM
1.21
9:13AM
1.48
9:40PM
1.16
9:45AM
1.48
10:17PM
1.10
10:18AM
1.47
10:56PM
1.04
10:53AM
1.43
Low Tide
/ height (m)
1:26AM
0.22
1:48PM
0.30
1:56AM
0.23
2:27PM
0.25
2:25AM
0.25
3:05PM
0.21
2:53AM
0.28
3:42PM
0.20
3:23AM
0.32
4:20PM
0.21
3:53AM
0.37
5:00PM
0.24
4:24AM
0.42
5:42PM
0.28
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sat
25
Sunrise-6:09--6:09--6:07--6:07--6:05--6:03--6:03-
Sunset--7:12--7:13--7:14--7:15--7:15--7:15--7:16
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
Rain (mm)
---------------------
Temp. °C172124183132242021173238312118161821171819
Feels °C (?)151820162931231919162934281713131616151717
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for NSW - Illawarra

  1. weather stationWind Update Continuing clean conditions at Little Austi and Main Beach (light winds from the W at Bellambi Automatic Weather Station 9 km from Little Austi and Main Beach). 0.7m 5s windswell from the E with a 0.5m 5s windswell from the ENE and a 0.4m 7s swell from the NE. 3 swells combining to make bigger set waves.

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Actual: 52 min ago

9 km/h
W
Clean
Please reload the page to see if there are any updates.

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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 12 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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