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Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 4 am Thursday 12 Mar 2026 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
23.2° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 14) at 8AM. The primary swell is predicted to be 0.9m and 11s period. 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 12 days are 1.6m 12s and forecast to arrive on Thursday (Mar 12) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Friday (Mar 13) at 2PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 14th Mar)3ft (0.9m) 11s
Best Surf11PM (Sat 14th Mar)4ft (1.2m) 8s
Most Powerful11AM (Thu 12th Mar)5ft (1.6m) 12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 22°C on Thu morning, min 15°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon afternoon. Warm (max 25°C on Sun afternoon, min 15°C on Sun morning). Wind will be generally light.

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
2
0
0
0
1
0
0
1
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
ENE
1.4
E
1.4
E
1.5
E
1.3
E
1
E
0.9
E
0.8
E
1.1
SSE
0.7
E
0.5
E
0.5
E
0.9
NE
0.7
NE
0.9
SSW
0.9
S
0.9
S
1
SSE
0.9
SSE
0.7
SSE
0.4
NE
Period(s) (?)12121112121111108998664655666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)74352050263546424018413015379393651373250424453418
Wind
(km/h)
20
S
20
SSE
15
SSE
20
S
25
S
15
SSE
10
E
20
NE
10
NW
15
N
25
NE
5
NW
0
SSE
10
SSE
5
SW
5
SE
15
SSE
15
SSE
10
ESE
0
ESE
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crossoffcross-
off		crossglassglassoncrossglasscross-
on		ononglasscross-
on
High Tide
/ height (m)
4:28PM
0.84
4:31AM
1.23
5:40PM
0.88
5:33AM
1.29
6:33PM
0.96
6:24AM
1.36
7:14PM
1.05
7:08AM
1.44
7:51PM
1.16
7:49AM
1.50
8:27PM
1.26
8:29AM
1.53
9:03PM
1.37
Low Tide
/ height (m)
10:36AM
0.49
9:35PM
0.60
11:43AM
0.44
10:52PM
0.57
12:33PM
0.36
11:54PM
0.50
1:12PM
0.27
12:46AM
0.42
1:48PM
0.19
1:32AM
0.34
2:21PM
0.12
2:16AM
0.26
2:55PM
0.07
3:00AM
0.19
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise6:52--6:52--6:52--6:54--6:54--6:56--6:56--
Sunset-7:19--7:17--7:15--7:15--7:14--7:12--7:10-
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
rain showers
light rain
rain showers
part cloud
thunderstorm
thunderstorm
light rain
light rain
mod rain
Rain (mm)
------------122-14137
Temp. °C222119191918212118212521222520222321212019
Feels °C (?)201917161414191916182220242622252422222221
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Little Austi and Main Beach at:
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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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