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

information circle12 Day Weather and Surf, issued 3 am Friday 11 Jul 2025 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
17.2° C
(Which is 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 (Jul 13) at 10AM. The primary swell is predicted to be 1.2m and 15s period. 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 12 days are 1.2m 15s and forecast to arrive on Sunday (Jul 13) 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 2.2m 11s period and expected on Saturday (Jul 12) at 10PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 13th Jul)4ft (1.2m) 15s
Best Surf10AM (Sun 13th Jul)4ft (1.2m) 15s
Most Powerful10AM (Sun 13th Jul)4ft (1.2m) 15s

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

Updates in  hr  min  s Forecast update imminent
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.2
E
1.2
SSE
0.2
E
0.3
SSE
1.1
SW
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.2
S
0.2
S
0.4
SSW
0.8
SSW
0.2
ESE
0.3
ESE
0.4
SSE
0.2
ENE
0.2
ENE
0.7
NE
0.7
NE
0.7
NE
0.2
ENE
0.2
ENE
1.1
NE
Period(s) (?)1414141313131512156141213131312121212111119175589691066510107
Wave
Graph
(?)Metric surfscale
Energy (?)47333531431365022537343366333322000426171915163442361010102
Wind
(km/h)
25
W
30
WSW
25
WSW
10
WSW
5
ESE
10
W
10
WNW
5
NW
20
WNW
20
WSW
5
SE
10
WSW
25
WSW
10
SW
15
W
15
WSW
5
SSE
15
W
5
WSW
5
ESE
5
WNW
10
W
20
W
10
NW
15
WNW
15
WSW
15
WSW
15
SW
15
S
10
W
5
NW
10
NNE
10
WNW
0
WSW
10
ENE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
offoffoffcross-
off
oncross-
off
cross-
off
crosscross-
off
cross-
off
glasscross-
off
cross-
off
glassoffcross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
crosscross-
on
cross-
off
offcross-
off
cross-
off
glasscrossoff
High Tide
/ height (m)
8:36PM
1.61
9:23AM
1.06
9:15PM
1.61
10:05AM
1.09
9:56PM
1.59
10:48AM
1.13
10:38PM
1.54
11:34AM
1.18
11:23PM
1.45
12:23PM
1.23
12:14AM
1.34
1:16PM
1.29
1:12AM
1.21
2:13PM
1.35
2:21AM
1.10
3:13PM
1.42
3:38AM
1.02
4:14PM
1.49
4:56AM
1.00
5:14PM
1.57
6:04AM
1.01
6:10PM
1.64
Low Tide
/ height (m)
2:03PM
0.36
3:26AM
0.12
2:46PM
0.35
4:05AM
0.09
3:30PM
0.35
4:43AM
0.08
4:18PM
0.37
5:22AM
0.09
5:11PM
0.39
6:03AM
0.12
6:10PM
0.42
6:46AM
0.16
7:18PM
0.43
7:34AM
0.22
8:34PM
0.41
8:28AM
0.28
9:53PM
0.35
9:27AM
0.33
11:06PM
0.27
10:29AM
0.35
12:11AM
0.18
11:29AM
0.35
1:07AM
0.10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Sunrise7:01--7:01--7:01--7:00--7:00--7:00--6:58--6:58--6:58--6:58--6:56--6:56--
Sunset-5:00--5:01--5:01--5:02--5:02--5:04--5:05--5:05--5:06--5:07--5:07--5:07-
clearclearclearclearclearpart cloudclearcloudclearclearclearclearpart cloudclearclearclearclearclearclearcloudcloudcloudclearclearpart cloudclearclearclearclearclearclearclearclearclearpart cloudcloud
Rain (mm)
------------------------------------
Temp. °C141413161510171713161591414916151114131117171117161112128141510141411
Feels °C (?)9771313713159121268104131361211913128111167851012811118

Short Range Forecast: Mostly dry. Very mild (max 17°C on Sun morning, min 8°C on Sat night). Winds decreasing (fresh winds from the WSW on Fri morning, calm by Sat afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Mon morning, min 7°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 17°C on Fri morning, min 7°C on Sat night). Wind will be generally light.

Long Range Forecast: Some drizzle, heaviest during Wed morning. Very mild (max 15°C on Mon afternoon, min 6°C on Sun night). Wind will be generally light.

  • 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 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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