Little Austi and Main Beach Surf Break

Lat Long: 34.30° S 150.94° E

Little Austi and Main Beach Surf Forecast and Surf Report

Issued: 9 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Little Austi and Main Beach sea temperature is
17.6°C
0.1° 

Little Austi and Main Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Little Austi and Main Beach surf forecast from 31 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 4PM (local time) - 1.5ft (0.4m), 11s period, ENE swell with offshore winds.
  • Most powerful swell: Monday 7 Sep, 4AM (local time) - 3ft (0.9m), 6s period, NE swell with 50 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 4PM (local time) - 1.5ft (0.4m), 11s period with ENE swell.

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 Tuesday (Sep 01) at 4PM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.8m and 4s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Little Austi and Main Beach in the next 16 days are 0.9m 6s and forecast to arrive on Monday (Sep 07) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 10s period and expected on Sunday (Sep 06) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Tue 1st Sep)1.5ft (0.4m) 11s
Best Surf 4PM (Tue 1st Sep)1.5ft (0.4m) 11s
Most Powerful 4AM (Mon 7th Sep)3ft (0.9m) 6s

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


The Lowdown

Well, mate, I’ve been staring at Little Austi and Main Beach for the next couple of weeks, and I gotta be straight with you – it’s a tough stretch. The first week is pretty much a write-off, with barely a ripple and mostly ordinary conditions. The water temp is sitting at 64°, which is bang on average for this time of year, so at least the water’s not gonna shock you.

The whole run kicks off with a frustrating gap. From Monday the 31st of August right through to the 13th of September, there’s genuinely nothing worth paddling out for. You’re looking at tiny 1.0ft to 3ft waves, mostly from the ENE, with super short periods or weak energy. The combined swell energy is pathetic – barely scraping 17 (weak) to a measly 78 (still weak) on the 8th of September morning. Winds are mostly offshore or cross-off, which would normally be a treat, but there’s just no swell to work with. One afternoon on the 8th of September sees a bump to 5ft from the NE, but the period is a short 5 seconds and the wind goes cross-off, moderate breeze – still only a “poor” call. That one’s not worth getting excited about.

Then things get messy. From the 9th of September morning through to the 13th of September afternoon, the wind swings hard onshore from the south, howling at 28 mph to 31 mph, with rain showers and moderate rain. The swell does pick up – 4ft to 10ft – but with that onshore wind, it’s blown-out, choppy, and lumpy. The combined energy climbs into the hundreds and even hits 1371 (very strong) on the 12th of September afternoon, but with that wind, it’s a kite surfer’s dream, not a paddle surfer’s. The break is a beach and reef setup, so without clean conditions, it’s just a mess.

Finally, there’s a glimmer. On Monday the 14th of September morning, we get a light offshore breeze from the north, clean conditions, and a small 4ft swell from the SSE with an 8-second period. The combined energy is 333 (moderate), and the forecast says “expect good surf conditions.” That’s the only standout in the whole 16 days. It’s small, but for a beach and reef break that’s exposed to the ENE, getting a clean, offshore morning with a little bit of push is about as good as it’s gonna get. This one’s for the patient surfer who doesn’t mind small waves and clean faces. The rest of the window is either flat, blown-out, or just plain ordinary.

So, my honest take: don’t hold your breath for the first week. The 14th of September morning is your best bet – keep an eye on it, but it’s a long way out, so don’t book the day off just yet. Otherwise, the forecast is pretty grim for Little Austi and Main Beach.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Tue afternoon, min 12°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 23°C on Sat morning, min 11°C on Sat night). Winds increasing (light winds from the NW on Fri afternoon, fresh winds from the WNW by Sat morning).

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.4
ENE
11
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.5
NE
6
0.4
SSE
10
0.4
SSE
10
0.3
ENE
10
0.7
NE
3
0.6
NE
5
0.5
NE
5
0.4
NE
5
0.2
E
11
0.2
E
11
0.8
ENE
4
0.9
NE
5
Wave Graph
Metric surfscale
Energy kJ
17
16
15
15
38
34
33
33
33
19
35
33
19
9
22
14
10
9
9
17
43
Wind (km/h)
0
ESE
20
NE
10
NNW
10
NNW
10
NNW
10
NNW
10
WNW
15
WSW
15
NW
20
W
20
W
15
W
10
WNW
25
NE
10
NNW
25
WNW
15
WSW
15
W
5
NE
20
NE
10
NW
Wind State
glassy
cross
off
cross-off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
off
off
cross-off
cross-off
glassy
cross
off
High Tide
10:03AM1.38m
10:11PM1.34m
10:43AM1.41m
10:56PM1.23m
11:28AM1.41m
11:50PM1.11m
12:22PM1.41m
00:56AM1.01m
1:27PM1.40m
2:19AM0.94m
2:40PM1.42m
3:46AM0.95m
3:54PM1.47m
Low Tide
4:08PM0.25m
4:22AM0.18m
4:58PM0.28m
5:01AM0.25m
5:55PM0.31m
5:45AM0.32m
7:04PM0.34m
6:40AM0.40m
8:25PM0.34m
7:50AM0.45m
9:47PM0.30m
9:09AM0.46m
10:57PM0.22m
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:13
6:13
6:11
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
5:37
5:38
5:39
5:39
 mm
1
Temp °C
19
18
14
25
26
17
26
26
20
21
21
16
20
19
15
23
22
16
20
18
15
Feels °C
16
15
13
21
23
15
22
23
18
16
16
11
15
14
12
18
20
12
16
15
15
  • 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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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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