Surf Forecasts:
Little Austi and Main Beach surf forecast from 6 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 10PM (local time) - 6.5ft (2.0m), 9s period, SSE swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 1PM (local time) - 8ft (2.5m), 9s period, SSE swell with 1,016 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 10PM (local time) - 6.5ft (2.0m), 9s 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 Tuesday (Sep 08) at 10PM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 0.2m and 10s. 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 9s 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+) | 10PM (Tue 8th Sep) | 6.5ft (2.0m) 9s |
| Best Surf | 10PM (Tue 8th Sep) | 6.5ft (2.0m) 9s |
| Most Powerful | 1PM (Tue 8th Sep) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Right, folks, Rusty here. Let's have a look at what the next few weeks are shaping up like for Little Austi and Main Beach (Little-Austi-and-Main-Beach). Gotta be straight with you, it's a tough outlook. We're looking at a long, dry spell with barely a ripple worth paddling for.
The water temp is sitting around 64°F at the start, which is pretty much what you'd expect for this time of year, so that's one thing that's not weird.
The first real chance, and I mean *chance*, doesn't pop up until Tuesday the 8th of September in the afternoon. Even then, it's a marginal call. We'll see a 8ft swell coming from the SSE, but with a short 10-second period. The wind is light from the east, but it's cross-onshore, so it'll be a bit bumpy. The combined energy is moderate at 909. Honestly, it's a tough one to get excited about.
Then things go quiet again. A whole lot of nothing until the morning of Saturday the 12th of September. That morning brings a bit of a tease: glassy conditions with an easterly wind of 3 mph, and a 1ft SSE swell. The period is a very long 18 seconds, which gives it a combined energy of 128 (moderate). That long period at a beach and reef setup? It could be a bit too straight for a quality wave, but if you're patient, there might be a clean little runner.
The next one to watch, and this is the standout of the whole period, is Monday the 14th of September. The morning is looking proper. We've got a clean 4ft swell from the SSE, with a 12-second period pushing a combined energy of 448 (moderate). The wind is offshore from the NNW at 9 mph, so it’ll be clean and lined up. For an intermediate, that's a solid session. That afternoon stays clean with a 4ft swell, but the wind swings WSW and picks up a bit.
After that, it's back to the doldrums. The rest of the run into the third week is just tiny, weak swells and mostly onshore or cross-off winds that won't do much. There's a morning on Saturday the 19th of September with a clean 1.0ft SSE swell off a 14-second period, but it's just too small to get excited about.
So, to be honest, if you're after a surf, keep your eyes on the morning of Monday the 14th of September. That's the one bright spot. The rest of the 16-day window is a write-off for most of us. The swell is just too small and inconsistent for anything more than a float.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 20°C on Sun morning, min 10°C on Tue night). Winds increasing (light winds from the NW on Sun night, fresh winds from the S by Mon night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Fri morning, min 9°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Thu afternoon). | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||
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) | NE 7 | NE 7 | E 10 | NE 8 | SSE 8 | ENE 10 | E 11 | SSE 10 | SSE 9 | SSE 9 | E 17 | ESE 11 | ESE 10 | ESE 10 | ENE 15 | E 15 | ENE 14 | ENE 13 | SSE 18 | ENE 14 | ENE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 16 | 8 | 9 | 300 | 11 | 9 | 901 | 495 | 315 | 7 | 42 | 34 | 18 | 21 | 17 | 19 | 18 | 109 | 19 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-off | on | cross-on | cross-on | cross-on | off | cross | cross-on | cross-on | cross-on | on | off | on | cross-on | cross-off | glassy | cross | off |
High Tide | 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 | 8:46AM1.41m | 8:57PM1.46m | ||||||||
Low Tide | 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 | 2:48PM0.16m | 3:10AM0.12m | ||||||||
 | |  | |  |  |  | |  |  | | | | | | | | | | | | |
 | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 18 | 14 | 20 | 17 | 14 | 15 | 15 | 11 | 14 | 14 | 14 | 15 | 14 | 12 | 18 | 17 | 12 | 17 | 16 | 12 |
Feels °C | 16 | 14 | 12 | 17 | 14 | 9 | 12 | 13 | 9 | 8 | 8 | 8 | 10 | 11 | 9 | 16 | 14 | 10 | 14 | 13 | 9 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | S 9 | S 8 | SSE 8 | ENE 10 | E 11 | SSE 10 | SSE 9 | SSE 9 | SE 13 | ESE 11 | ESE 10 | S 15 | S 11 | S 10 | S 10 | S 10 | S 9 | S 10 | S 11 |
| kJ | 29 | 16 | 686 | 309 | 300 | 11 | 9 | 901 | 495 | 315 | 7 | 42 | 34 | 464 | 1326 | 890 | 824 | 774 | 755 | 575 | 546 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | NE 6 | NE 8 | NE 8 | — | — | E 10 | E 10 | E 10 | S 16 | E 16 | S 22 | ESE 10 | ESE 9 | E 15 | ENE 14 | ENE 13 | SSE 18 | S 18 | S 20 |
| kJ | 9 | 9 | 2 | 9 | 2 | — | — | 8 | 7 | 2 | 5 | 5 | 89 | 18 | 8 | 17 | 19 | 18 | 109 | 173 | 377 |
Swell 3 Height (m) Direction Period (s) | S 11 | — | E 10 | E 10 | E 10 | — | — | — | NE 9 | E 16 | E 17 | NE 16 | E 16 | E 16 | ENE 15 | S 21 | E 10 | E 9 | ENE 14 | ENE 14 | ENE 13 |
| kJ | 2 | — | 8 | 8 | 8 | — | — | — | 3 | 5 | 6 | 10 | 5 | 5 | 21 | 9 | 2 | 2 | 19 | 19 | 17 |
Wind waves Height (m) Direction Period (s) | SSW 7 | S 9 | — | — | — | S 9 | S 9 | — | — | SW 3 | S 7 | S 10 | S 10 | S 10 | — | — | — | — | — | — | — |
| kJ | 105 | 429 | — | — | — | 1630 | 1163 | — | — | 8 | 698 | 2162 | 1539 | 1137 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 128 | 1 | 1 | 330 | 89 | 5 | 34 | 0 | 50 | 89 | 76 | 5 | 34 | 2 | 34 | 89 | 1 | 0 | 53 | 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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