Surf Forecasts:
Little Austi and Main Beach surf forecast from 5 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 1AM (local time) - 5.5ft (1.7m), 10s period, SSE swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 1PM (local time) - 8ft (2.5m), 11s period, SSE swell with 1,540 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 7AM (local time) - 1.5ft (0.5m), 11s period with SSE 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 Monday (Sep 07) at 7AM. The primary swell is predicted to be 0.5m and 11s 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 2.5m 11s and forecast to arrive on Tuesday (Sep 08) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Tuesday (Sep 08) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 7th Sep) | 1.5ft (0.5m) 11s |
| Best Surf | 1AM (Wed 9th Sep) | 5.5ft (1.7m) 10s |
| Most Powerful | 1PM (Tue 8th Sep) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, let's get into it.
Honestly, the next couple of weeks are looking pretty bleak for any real surf. We've got a long stretch of tiny, weak waves ahead. For the first week, there’s just nothing on the table. It’s flat, and the little bumps we see are not worth getting wet for. We’re looking at a solid gap of about a week with no real recommendations. It’s one of those times where you dust off the longboard and just enjoy the water, but don't expect a wave.
The water temp at Little Austi and Main Beach is sitting at 64°, which is about normal for this time of year. Not much to get excited about there.
Now, the only time things even start to look a little interesting is around Tuesday, September 15th. Even then, it's a struggle. The morning session is the only call, and it’s a marginal one. The swell is a weak 3ft from the NE with a short, crumbly 6-second period. The combined energy is a pretty weak 77. The wind will be light offshore from the NNW, though, so if it’s clean, it might be ridable. As a surf report, I'd call it 'surfable waves but very ordinary conditions.' It’s a one-star kind of morning. You’d be going out just to be out, not for any quality.
After that, it’s right back to small and messy. The following week looks like more of the same—small, weak swells and onshore winds. There’s a little pulse of energy around Thursday, September 17th in the afternoon, with some swell at 4ft from the SSE, but the wind is cross-onshore and choppy, and the energy is only moderate at 256. It’s not going to be clean, and the period is short.
So, if you’re desperate for a paddle, that Tuesday morning on the 15th is your only real window, and it's nothing to write home about. The lack of consistent swell is a bit of a bummer, but that’s the deal with these parts sometimes. Forecasts can change, so keep an eye out, but for now, I wouldn’t hold my breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 11°C on Mon night). Winds increasing (light winds from the W on Sun night, fresh winds from the S by Mon night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Tue morning, min 9°C on Wed night). Winds increasing (light winds from the NE on Tue afternoon, fresh winds from the S by Wed afternoon). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
AM | PM | 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) | ENE 9 | NE 5 | NE 6 | NE 6 | NE 7 | E 10 | E 10 | SSE 9 | ENE 11 | E 11 | E 10 | SSE 10 | SSE 9 | SSE 9 | NE 16 | E 16 | E 16 | ENE 15 | E 15 | ENE 14 | ENE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 31 | 28 | 20 | 16 | 8 | 8 | 451 | 11 | 2 | 2 | 563 | 315 | 427 | 10 | 5 | 5 | 21 | 17 | 19 | 18 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-on | cross | cross-off | on | cross-on | cross-on | cross-on | off | cross-on | cross-on | cross-on | cross-on | on | cross-off | glassy | cross | cross-off |
High Tide | 2:40PM1.42m | 3:46AM0.95m | 3:54PM1.47m | 5:00AM1.00m | 4:59PM1.53m | 5:58AM1.09m | 5:56PM1.59m | 6:46AM1.18m | 6:46PM1.62m | 7:28AM1.27m | 7:32PM1.61m | 8:08AM1.35m | 8:15PM1.56m | ||||||||
Low Tide | 9:47PM0.30m | 9:09AM0.46m | 10:57PM0.22m | 10:24AM0.42m | 11:54PM0.14m | 11:28AM0.35m | 00:42AM0.07m | 12:24PM0.27m | 1:23AM0.03m | 1:15PM0.21m | 2:01AM0.03m | 2:02PM0.17m | 2:37AM0.06m | ||||||||
 | |  |  | | | | |  | | | | |  | | | | | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 20 | 21 | 18 | 15 | 21 | 17 | 15 | 16 | 15 | 11 | 16 | 14 | 14 | 14 | 14 | 12 | 18 | 17 | 13 |
Feels °C | 24 | 24 | 17 | 17 | 14 | 12 | 19 | 15 | 11 | 13 | 12 | 9 | 11 | 7 | 7 | 10 | 11 | 9 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 9 | NE 5 | NE 6 | NE 6 | NE 7 | S 9 | S 10 | SSE 9 | ENE 11 | S 10 | S 11 | SSE 10 | SSE 9 | S 15 | SSW 16 | S 11 | S 10 | S 11 | S 10 | S 10 | S 11 |
| kJ | 80 | 31 | 28 | 20 | 16 | 788 | 627 | 451 | 11 | 1405 | 1514 | 563 | 315 | 18 | 53 | 1492 | 1009 | 1242 | 867 | 696 | 507 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | S 10 | S 10 | E 11 | E 11 | NE 6 | NE 8 | E 10 | — | E 11 | E 10 | E 10 | NE 10 | E 9 | NE 16 | S 23 | S 16 | ENE 15 | E 15 | ENE 14 | ENE 13 |
| kJ | 17 | 65 | 44 | 9 | 9 | 2 | 2 | 8 | — | 2 | 2 | 2 | 4 | 2 | 10 | 40 | 264 | 21 | 17 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | NE 7 | E 9 | E 11 | E 14 | — | E 10 | E 10 | NE 8 | — | — | — | — | S 18 | E 17 | — | E 16 | E 16 | ENE 15 | S 22 | E 10 | S 19 |
| kJ | 2 | 7 | 9 | 4 | — | 8 | 8 | 2 | — | — | — | — | 6 | 6 | — | 5 | 5 | 21 | 9 | 2 | 28 |
Wind waves Height (m) Direction Period (s) | NNE 5 | WNW 3 | WSW 3 | SSW 7 | S 8 | S 9 | — | — | S 9 | S 10 | — | NNW 3 | NNW 3 | SSE 9 | S 10 | S 10 | S 10 | — | — | — | — |
| kJ | 9 | 3 | 6 | 99 | 278 | 1044 | — | — | 1827 | 1618 | — | 1 | 1 | 427 | 2354 | 1752 | 1224 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 19 | 5 | 5 | 128 | 1 | 1 | 50 | 143 | 5 | 76 | 0 | 50 | 680 | 76 | 5 | 34 | 1 | 1 | 92 | 1 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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