Surf Forecasts:
Little Austi and Main Beach surf forecast from 31 Aug 2026:
- Best quality surf: Monday 7 Sep, 7PM (local time) - 5.5ft (1.7m), 7s period, NE swell with glassy winds.
- Most powerful swell: Tuesday 8 Sep, 1AM (local time) - 5.5ft (1.7m), 8s period, NE swell with 344 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 4PM (local time) - 1.5ft (0.4m), 11s 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 Tuesday (Sep 01) at 4PM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.8m and 4s. 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 1.7m 8s and forecast to arrive on Tuesday (Sep 08) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 10s period and expected on Friday (Sep 04) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Tue 1st Sep) | 1.5ft (0.4m) 11s |
| Best Surf | 7PM (Mon 7th Sep) | 5.5ft (1.7m) 7s |
| Most Powerful | 1AM (Tue 8th Sep) | 5.5ft (1.7m) 8s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, folks, Rusty here again. Let’s talk about Little Austi and Main Beach in feet and miles per hour, because that’s how we do it. The next 16 days are looking flat and mostly junk. There’s a big gap with nothing worth paddling out for.
We start on Tuesday, September 1st. Clear skies, a light NNW breeze blowing cross-off, but the swell is tiny – just 1ft from the ENE, period 9 seconds. The combined energy is weak (27). Water temp is 64°, about average. Tuesday afternoon is a bit better with a 1ft swell and an 11-second period, but still ordinary.
Wednesday the 2nd has a morning offshore NW wind at 9 mph, but the swell is only 1ft, period 10 seconds. Clean, but tiny. Afternoon goes cross-off from the WSW.
Thursday the 3rd through Saturday the 5th are all poor. Saturday morning has a 3ft NE swell, period 5 seconds, with offshore winds, but it’s just poor quality. The energy is weak (46).
Sunday the 6th and Monday the 7th are flat. Monday afternoon sees a jump to 5ft from the NE, period 6 seconds, energy at 203 (moderate), but it’s cloudy with light cross-shore winds and marginal conditions. That’s the closest we get to a pulse.
From Tuesday the 8th through Monday the 14th, it’s all poor surf. Tiny swells, onshore winds, or no energy. There’s a glassy moment on Saturday the 12th afternoon with a 1ft SE swell, period 9 seconds, but it’s weak (31).
The only real standout is Tuesday morning, September 15th. A 4ft swell from the NE, period 6 seconds, energy at 241 (moderate). But the wind is cross-on from the SSW at 12 mph, making it choppy and poor.
Then on Wednesday morning, September 16th, we get a clean 3ft from the NE, period 6 seconds, with offshore WNW winds at 6 mph. The energy is weak (58), and it’s just “surfable but very ordinary.”
So, nothing to get excited about. The best bet is a small, clean wave on Wednesday morning the 16th if you’re itching. Otherwise, it’s a long, flat spell. For kite surfers, some of those windy afternoons might offer a bit of chop, but for paddle surfing, it’s a quiet one.
Stay patient, mates.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 11°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sat morning, min 11°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat afternoon, light winds from the E by Sun morning). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 | ENE 11 | NE 6 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SSE 10 | ENE 10 | NE 3 | NE 5 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 4 | NE 5 | NE 6 | NE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 38 | 38 | 33 | 33 | 33 | 19 | 19 | 33 | 19 | 13 | 21 | 39 | 27 | 33 | 14 | 6 | 14 | 32 | 203 | 344 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-on | cross | off | cross-off | cross | cross-off |
High Tide | 10:43AM1.41m | 10:56PM1.23m | 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 | ||||||||
Low Tide | 4:58PM0.28m | 5:01AM0.25m | 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 | ||||||||
 | |  |  | | | | |  | | | | | | | | | | |  |  | |
 | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 |
Temp °C | 25 | 25 | 17 | 25 | 25 | 18 | 24 | 21 | 15 | 20 | 20 | 15 | 27 | 24 | 17 | 17 | 17 | 13 | 19 | 18 | 16 |
Feels °C | 20 | 22 | 14 | 21 | 22 | 16 | 20 | 16 | 11 | 16 | 16 | 13 | 23 | 17 | 13 | 14 | 13 | 11 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | NNE 4 | S 10 | SSE 10 | S 10 | S 8 | S 10 | NE 5 | NE 6 | NE 6 | S 10 | S 9 | S 12 | S 10 | S 10 | NE 8 |
| kJ | 189 | 141 | 98 | 106 | 74 | 50 | 18 | 52 | 33 | 234 | 44 | 98 | 39 | 27 | 33 | 347 | 177 | 282 | 233 | 153 | 344 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 11 | NE 6 | NE 6 | NE 6 | ENE 10 | S 10 | NE 6 | NE 7 | NE 7 | SSW 11 | NE 5 | S 10 | S 9 | S 9 | NE 6 | S 11 | S 8 | E 10 | — | S 10 |
| kJ | 15 | 38 | 38 | 20 | 16 | 33 | 53 | 11 | 7 | 8 | 24 | 21 | 73 | 42 | 25 | 14 | 66 | 108 | 8 | — | 94 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | NE 12 | ENE 10 | ENE 10 | ENE 10 | NE 6 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 10 | S 15 | E 9 | E 10 | E 11 | E 11 | NE 6 | E 10 | E 8 | — | SSE 13 |
| kJ | 12 | 6 | 34 | 33 | 33 | 5 | 19 | 19 | 19 | 19 | 8 | 39 | 7 | 7 | 10 | 9 | 6 | 8 | 1 | — | 31 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NE 4 | NW 3 | NW 3 | — | NNW 3 | WNW 3 | WSW 3 | SW 4 | W 3 | NE 3 | — | NNE 5 | WNW 4 | SW 2 | — | — | ENE 4 | NE 5 | NE 6 | — |
| kJ | 4 | 21 | 5 | 1 | — | 1 | 3 | 7 | 29 | 1 | 13 | — | 83 | 19 | 2 | — | — | 14 | 32 | 203 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 39 | 1 | 8 | 87 | 5 | 34 | 92 | 1 | 8 | 8 | 0 |
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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