Surf Forecasts:
Little Austi and Main Beach surf forecast from 2 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 1PM (local time) - 1.5ft (0.4m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 1AM (local time) - 5ft (1.5m), 8s period, SSE swell with 234 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 1PM (local time) - 1.5ft (0.4m), 10s period with ENE 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 (Sep 02) at 1PM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.6m and 6s. 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 1.5m 8s and forecast to arrive on Tuesday (Sep 08) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 9s period and expected on Tuesday (Sep 08) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 2nd Sep) | 1.5ft (0.4m) 10s |
| Best Surf | 1PM (Wed 2nd Sep) | 1.5ft (0.4m) 10s |
| Most Powerful | 1AM (Tue 8th Sep) | 5ft (1.5m) 8s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
G'day, Rusty here. Look, I've been staring at the charts for Little Austi and Main Beach, and I gotta be straight with you—it's a pretty grim run for the next two weeks. The first eleven days are basically a write-off, with nothing worth paddling out for.
It's not until Saturday the 12th of September that we finally see a pulse. The morning shows a 5ft NE swell, but it's a short period at 8 seconds, so there's not much grunt behind it. The wind is a cross-offshore from the N, which will keep the surface clean, but the low period means it'll be a bit gutless. The combined wave energy is moderate at 247. Still, it's the best we've seen in a long time, so there's a slight chance for a few rides if you're desperate.
The real standout, and the only one I'd genuinely get excited about, is Wednesday the 16th of September. We get a jump in size with a 6ft E swell hitting in the morning, with a period of 8 seconds. The wind swings to a clean cross-offshore from the WNW, keeping it smooth. The energy is strong at 521, so there's some power there. It's gonna be a bit of a beast for the weekend warriors, but intermediate surfers who know their way around the lineup will find some fun, hollow ones. The afternoon holds similar size at 6ft from the ENE, though the wind picks up a bit.
Thursday the 17th of September is your best bet for a clean session. The swell drops to a more manageable 5ft from the ENE, and we get light offshore winds from the NNW and NW all day. The wave energy is still strong at 377 in the morning and 275 in the afternoon. Expect good, clean conditions with that offshore wind grooming the face. Crowds are a possibility here, but with the long flat spell, there might be a few less crew out.
The water temp is sitting around 64°F with a normal anomaly for this time of year, so a good 3/2 wetsuit is the go.
Overall, it’s a long wait. The first week and a half is a total dud, so save your energy. The window from the 16th to the 17th is where it's at, with Thursday the 17th being the pick of the bunch for clean, head-high surf.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 12°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Sat morning, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
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 10 | ENE 10 | ENE 10 | NE 6 | NE 6 | SSE 10 | ENE 10 | NE 7 | NNE 7 | ENE 9 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NNE 7 | E 10 | SSE 8 | ENE 9 | E 10 | SSE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 33 | 33 | 21 | 22 | 33 | 19 | 33 | 20 | 9 | 32 | 18 | 14 | 14 | 19 | 26 | 8 | 234 | 9 | 8 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | cross-off | glassy | cross-on | off | cross-off | cross-on | cross-on | glassy | cross | cross-off |
High Tide | 11:28AM1.41m | 11:50PM1.11m | 12:22PM1.41m | 00:56AM1.01m | 1:27PM1.40m | 2:19AM0.94m | 2:40PM1.42m | 3:46AM0.95m | 3:54PM1.47m | 5:00AM1.00m | 4:59PM1.53m | 5:58AM1.09m | 5:56PM1.59m | ||||||||
Low Tide | 5:55PM0.31m | 5:45AM0.32m | 7:04PM0.34m | 6:40AM0.40m | 8:25PM0.34m | 7:50AM0.45m | 9:47PM0.30m | 9:09AM0.46m | 10:57PM0.22m | 10:24AM0.42m | 11:54PM0.14m | 11:28AM0.35m | 00:42AM0.07m | ||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 19 | 23 | 22 | 15 | 21 | 20 | 15 | 29 | 26 | 17 | 18 | 16 | 12 | 19 | 17 | 15 | 17 | 18 | 15 |
Feels °C | 22 | 22 | 16 | 17 | 17 | 10 | 17 | 16 | 13 | 24 | 21 | 12 | 14 | 12 | 10 | 15 | 12 | 10 | 14 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | NE 6 | NE 6 | SSE 10 | S 10 | S 8 | S 11 | S 9 | NE 6 | NE 6 | S 12 | S 9 | S 8 | S 10 | S 9 | E 10 | S 8 | S 8 | S 9 |
| kJ | 106 | 74 | 50 | 21 | 22 | 33 | 234 | 57 | 58 | 61 | 32 | 18 | 341 | 123 | 108 | 282 | 159 | 9 | 405 | 138 | 133 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | S 10 | S 10 | NE 7 | NE 7 | ENE 10 | S 7 | ENE 9 | S 10 | S 10 | NE 6 | S 12 | S 12 | NE 4 | NE 4 | NE 5 | ENE 9 | E 10 | SSE 10 |
| kJ | 21 | 16 | 11 | 53 | 52 | 16 | 18 | 19 | 25 | 9 | 45 | 29 | 14 | 137 | 187 | 4 | 4 | 1 | 9 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SSW 11 | NNE 7 | S 16 | E 9 | E 11 | E 11 | NE 6 | E 10 | NE 7 | E 10 | NE 8 | — | NE 9 | E 10 |
| kJ | 33 | 33 | 33 | 19 | 19 | 18 | 19 | 25 | 20 | 19 | 7 | 10 | 9 | 14 | 8 | 7 | 8 | 3 | — | 3 | 8 |
Wind waves Height (m) Direction Period (s) | NW 3 | — | NW 2 | WNW 2 | WSW 3 | SW 4 | — | NE 7 | NNE 3 | NE 5 | WNW 4 | WSW 3 | — | — | NE 7 | NNE 7 | — | SSE 8 | — | NE 3 | NNE 4 |
| kJ | 1 | — | 1 | 1 | 3 | 28 | — | 33 | 2 | 36 | 16 | 4 | — | — | 19 | 26 | — | 234 | — | 4 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 42 | 1 | 1 | 8 | 5 | 1 | 413 | 1 | 1 | 466 | 34 | 1 | 92 | 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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