Surf Forecasts:
Little Austi and Main Beach surf forecast from 29 Aug 2026:
- Best quality surf: Sunday 30 Aug, 4AM (local time) - 3ft (0.9m), 9s period, SE swell with offshore winds.
- Most powerful swell: Sunday 30 Aug, 4AM (local time) - 3ft (0.9m), 9s period, SE swell with 128 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 4AM (local time) - 3ft (0.9m), 9s period with SE 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 Sunday (Aug 30) at 4AM. The primary swell is predicted to be 0.9m and 9s 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 16 days are 0.9m 9s and forecast to arrive on Sunday (Aug 30) 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 1.1m 9s period and expected on Sunday (Aug 30) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 30th Aug) | 3ft (0.9m) 9s |
| Best Surf | 4AM (Sun 30th Aug) | 3ft (0.9m) 9s |
| Most Powerful | 4AM (Sun 30th Aug) | 3ft (0.9m) 9s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, Rusty here again. I’m looking at the same stretch of coast, but I’ll put it in feet and Fahrenheit for you. This 16-day window is a total flat spell. We’ve got a few ghost waves, but nothing to get excited about. It’s a proper dry spell for Little Austi and Main Beach.
The first chance to even paddle out is Sunday, August 30th. Morning is your only shot – the ESE wind is dead calm, glassy. Swell is a tiny 2ft out of the SE, with a 9-second period. The combined energy is weak at 71. The water temperature is about average for the time of year. You’ll find knee-high slop. Crowds are possible here, but with this little swell, it’ll be quiet. That afternoon, the wind turns cross-on from the ESE at 6 mph, and the swell drops to 1ft. It’s a write-off.
Monday the 31st is even worse. Glassy morning, but the swell is just 1ft. The energy is a pathetic 17. Tuesday afternoon, September 1st, has a tiny 1ft swell from the ENE, but the wind is offshore from the NNW at 9 mph. The period is 11 seconds, which is a nice long groundswell, but there’s no power behind it (74). It’s clean, but it’s a close-out.
We get a little bump of windswell on Saturday morning, September 5th. The swell hits 3ft from the NE, but the period is a terrible 5 seconds. That’s just wind chop. The wind is offshore from the NNW at 12 mph, so it’ll be clean, but the waves will be weak and crumbly. The energy is still low at 41.
After that, the forecast goes totally flat. From Sunday the 6th right through to the end on the 14th, the swell is either less than 1ft or the energy is in the single digits. There’s a spike on Sunday the 13th afternoon with a 4ft swell from the NE, but the period is only 5 seconds and the wind is cross. The energy hits 108, which is moderate, but it’ll be a choppy mess. For a beach and reef setup, that’s kite-surfing weather, not paddle surfing.
This is one of those blank runs that’s normal for this area. The only day with a pulse is that Sunday the 30th morning, and it's a weak pulse. Keep an eye on it, but don’t get your hopes up.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 11°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Wed morning, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | ENE 8 | ENE 9 | NE 9 | ENE 9 | ENE 8 | ENE 11 | NE 6 | ENE 10 | ENE 10 | ENE 10 | SSE 12 | SSE 11 | ENE 10 | ENE 10 | ENE 10 | NE 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 125 | 41 | 28 | 14 | 17 | 67 | 15 | 14 | 38 | 34 | 33 | 33 | 33 | 48 | 42 | 19 | 19 | 19 | 19 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | cross-off | glassy | cross | off | cross-off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross | off |
High Tide | 9:26AM1.33m | 9:30PM1.43m | 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 | |||||||
Low Tide | 3:16AM0.11m | 3:22PM0.25m | 3:48AM0.13m | 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 | |||||||
 |  | | | | | | | |  | | | | | | | | | | |
 | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 18 | 16 | 13 | 21 | 19 | 14 | 25 | 26 | 17 | 27 | 27 | 19 | 24 | 23 | 16 | 20 | 19 | 16 |
Feels °C | 11 | 16 | 14 | 13 | 18 | 16 | 14 | 20 | 22 | 14 | 23 | 24 | 17 | 20 | 18 | 11 | 17 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SE 9 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 7 | SSE 11 | S 10 | S 10 | S 9 | NE 5 |
| kJ | 125 | 188 | 185 | 194 | 104 | 132 | 162 | 182 | 182 | 133 | 73 | 71 | 68 | 36 | 42 | 47 | 76 | 55 | 19 |
Swell 2 Height (m) Direction Period (s) | S 8 | SE 9 | ENE 8 | S 17 | S 15 | S 16 | ENE 9 | ENE 8 | ENE 11 | NE 6 | NE 6 | NE 6 | ENE 10 | SSE 12 | NE 6 | ENE 10 | S 6 | S 18 | S 11 |
| kJ | 88 | 41 | 28 | 147 | 107 | 80 | 15 | 14 | 38 | 34 | 24 | 11 | 33 | 48 | 10 | 19 | 18 | 107 | 112 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | SE 9 | ENE 8 | ENE 9 | — | E 12 | ENE 11 | NE 12 | ENE 10 | ENE 10 | ENE 10 | NE 6 | NE 6 | ENE 10 | NE 7 | ENE 10 | ENE 10 | S 7 |
| kJ | 31 | 30 | 21 | 14 | 17 | — | 3 | 12 | 6 | 34 | 33 | 33 | 5 | 13 | 19 | 7 | 19 | 19 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 9 | NE 4 | NNE 4 | NE 5 | NNW 3 | NW 3 | NW 3 | NNW 3 | W 3 | SSW 6 | SW 4 | WNW 3 | NE 3 | — |
| kJ | — | — | — | — | — | 67 | 7 | 6 | 30 | 7 | 3 | 2 | 1 | 1 | 25 | 16 | 1 | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 92 | 1 | 1 | 8 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 5 | 1 | 53 | 1 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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