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: 3 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Little Austi and Main Beach sea temperature is
18.2° C
0.6° 

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 12 Jul 2026:

  • Best quality surf: Saturday 18 Jul, 7PM (local time) - 4.5ft (1.3m), 9s period, E swell with glassy winds.
  • Most powerful swell: Monday 20 Jul, 10AM (local time) - 4.5ft (1.4m), 9s period, ENE swell with 314 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 4AM (local time) - 3ft (0.9m), 6s period with SSW 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 Wednesday (Jul 15) at 4AM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.1m and 10s. 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 16 days are 1.4m 9s and forecast to arrive on Monday (Jul 20) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Wednesday (Jul 15) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Wed 15th Jul)3ft (0.9m) 6s
Best Surf 7PM (Sat 18th Jul)4.5ft (1.3m) 9s
Most Powerful10AM (Mon 20th Jul)4.5ft (1.4m) 9s

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


G'day, Rusty here. Look, I’ll be straight with you – this 16-day stretch for Little Austi and Main Beach is a real mixed bag, and it’s gonna take some patience. The first week is pretty much a write-off, with barely a ripple and a lot of windy, chopped-up conditions. The real hope is in the second week, where we finally see some clean, glassy windows and a bit of energy. It’s not going to be huge, but for the patient surfer, there are some nice windows.

The opening days are a tough watch. Monday morning the 13th is a total loss with a tiny 0.7 ft swell from the ESE and a cross-off wind making it messy. That carries on through the rest of the week – Tuesday and Wednesday have no swell at all, just a gentle breeze, and by Thursday the 16th, the wind is onshore and strong, making it choppy. Friday the 17th actually sees a pulse of 5 ft swell from the SSE, but the period is a short, weak 6 seconds, and the cross-on wind is 12 mph, so it’s a messy, blown-out 5 ft. The combined energy is only 116 (weak), so it’s not worth getting excited about. Saturday the 18th is a little better with 4 ft from the east, but the wind is still not helping.

Now, for the good stuff. The standout window looks like Sunday morning, July 19th. We’ve got a clean 4 ft swell from the east, with a period of 9 seconds (moderate period, decent shape), and the wind goes glassy – absolute perfection. The combined energy is 281 (moderate), and the water is a pleasant 65°, which is pretty normal for this time of year. This is your best bet for a clean, fun session. It’s a beach and reef setup, so that long period won’t be an issue. Get on it early, because crowds are possible.

The following Monday morning, July 20th, is also a cracker. Same 5 ft swell from the ENE, but with a clean offshore wind from the NNW at 6 mph. The combined energy hits 323 (moderate), and the period stretches to 10 seconds. This is another solid, clean option. The direction (ENE) is a good match for the spot’s optimum.

After that, the swell drops off a bit. Tuesday the 21st has 4 ft, but the wind is a light cross-shore, and the quality is marginal. Wednesday morning the 22nd has a clean, glassy 3 ft, but it’s small. The end of the week and into the next (July 23rd to 28th) sees a mix of small, clean mornings and choppy afternoons, with the swell bouncing between 2 ft and 4 ft. Nothing stands out as a must-surf, but the clean mornings on the 23rd (2 ft, offshore) and 26th (3 ft, offshore) are worth a look if you’re desperate.

All in all, the 19th and 20th are your golden tickets. The rest is a waiting game.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon morning, min 10°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Fri morning, min 11°C on Thu night). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
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
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
ESE
9
0.1
SE
8
0.1
E
8
0.1
S
16
0.3
SSW
11
0.8
SSW
6
2.3
S
10
1.8
S
9
1.7
S
10
1.8
S
8
0.1
E
11
1.5
SSE
7
1.4
SSE
6
1.1
S
5
0.8
E
8
1.1
E
8
1.2
E
8
1.3
E
9
1.3
E
9
1.3
E
9
1.3
ENE
9
Wave Graph
Metric surfscale
Energy kJ
7
3
1
0
0
40
0
0
0
0
2
187
114
67
82
156
195
264
281
293
289
Wind (km/h)
20
W
20
W
15
WNW
15
WNW
15
W
15
WSW
10
S
15
SSE
10
SW
20
S
25
S
20
SSW
25
SSW
20
S
15
SSW
10
S
10
SSE
5
SE
5
NE
15
NE
10
NW
Wind State
cross-off
cross-off
off
off
cross-off
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
on
glassy
glassy
cross
off
High Tide
7:12PM1.77m
8:06AM1.12m
8:05PM1.81m
8:57AM1.15m
8:55PM1.80m
9:47AM1.18m
9:44PM1.74m
10:35AM1.20m
10:31PM1.62m
11:23AM1.22m
11:18PM1.47m
12:12PM1.24m
00:06AM1.30m
Low Tide
12:36PM0.27m
2:07AM-0.03m
1:31PM0.24m
2:57AM-0.07m
2:25PM0.23m
3:45AM-0.07m
3:17PM0.24m
4:30AM-0.03m
4:10PM0.28m
5:13AM0.04m
5:05PM0.33m
5:54AM0.13m
6:03PM0.40m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:00
7:00
7:00
6:58
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:01
5:02
5:02
5:04
5:05
5:05
5:06
 mm
Temp °C
18
17
13
18
17
13
15
15
11
15
15
14
16
15
12
14
16
15
17
16
12
Feels °C
12
12
9
13
13
9
12
12
8
10
10
10
12
11
9
12
14
14
14
13
10
  • 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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