Surf Forecasts:
Little Austi and Main Beach surf forecast from 1 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 4AM (local time) - 6ft (1.8m), 7s period, NE swell with glassy winds.
- Most powerful swell: Tuesday 8 Sep, 10AM (local time) - 6ft (1.8m), 7s period, NE swell with 346 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 1.8m 7s and forecast to arrive on Tuesday (Sep 08) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 11s period and expected on Sunday (Sep 06) 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 | 4AM (Tue 8th Sep) | 6ft (1.8m) 7s |
| Most Powerful | 10AM (Tue 8th Sep) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s be straight with you—this is a lean stretch for Little Austi and Main Beach. Most of the next sixteen days look ordinary, with only a couple of windows where you’ll want to be in the water. The water’s sitting right on the money for this time of year at 64°, nothing unusual there.
Tuesday the 1st kicks off with tiny 1ft to 1ft ENE swell, period around 9 to 11 seconds, and a light cross-off breeze. It’s clean but barely enough to bother with—combined energy is weak at 27 to 69. Wednesday the 2nd is similar with 1ft ENE swell and a clean offshore wind, but again, underwhelming. Thursday through to Monday the 7th is a real dog: swell stays below 3ft, winds are all over the shop, and the combined energy never cracks 44. You’d be better off doing something else.
Tuesday the 8th is where it finally gets interesting. The morning serves up 6ft NE swell with a period of 7 seconds, cross-off breeze, and strong combined energy of 684. That’s a solid step up—clean, punchy waves for intermediate crew. By afternoon it drops to 5ft but gets a bit lumpy with a cross breeze; still surfable but not as good as the morning. The 6ft is right on the edge for beginners, but for anyone with a bit of experience, that Tuesday morning is the standout of the whole outlook.
Then it goes flat again from Wednesday the 9th through Friday the 11th—nothing doing, combined energy at zero. Saturday the 12th morning brings a surprise: 6ft SSE swell, period 8 seconds, glassy off a calm wind, and strong energy of 452. That’s another cracker, but it’s a short-lived window—afternoon turns messy with cross breeze. Sunday the 13th has some size at 4ft to 5ft but cross-on wind spoils it.
Monday the 14th morning looks tidy with 4ft ESE swell, period 10 seconds, light cross-off breeze, and moderate energy of 329. Clean enough for a decent session. After that, it fades out through Tuesday and Wednesday with small swell and onshore influences.
Best bet? Tuesday the 8th morning—6ft NE swell, clean cross-off, strong energy. And Saturday the 12th morning—6ft SSE, glassy calm. Everything else is a write-off.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 12°C on Sat night). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sat 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 | NE 5 | NE 6 | SSE 10 | ENE 10 | NE 3 | ENE 10 | NE 5 | NE 6 | NE 6 | E 11 | E 10 | NE 5 | NE 6 | NE 6 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 38 | 34 | 33 | 33 | 33 | 21 | 19 | 33 | 19 | 16 | 18 | 24 | 20 | 13 | 9 | 8 | 42 | 36 | 119 | 255 |
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 | glassy | off | cross-off | off | cross-off | cross-on | cross-on | off | cross-off | cross-off | glassy |
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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 18 | 25 | 26 | 18 | 23 | 21 | 15 | 21 | 21 | 15 | 25 | 24 | 18 | 17 | 17 | 13 | 22 | 19 | 16 |
Feels °C | 20 | 22 | 15 | 22 | 23 | 15 | 18 | 15 | 10 | 16 | 19 | 13 | 19 | 18 | 14 | 14 | 13 | 11 | 20 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | NE 5 | NE 6 | SSE 10 | S 10 | S 7 | S 7 | NE 5 | NE 6 | NE 6 | S 10 | S 9 | S 11 | S 10 | S 10 | NE 7 |
| kJ | 189 | 141 | 98 | 106 | 74 | 50 | 21 | 16 | 33 | 186 | 53 | 25 | 24 | 20 | 13 | 402 | 181 | 308 | 181 | 153 | 255 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 11 | NE 6 | NE 6 | NE 6 | NE 6 | S 10 | S 10 | NE 7 | NE 7 | S 10 | S 10 | S 10 | S 10 | S 9 | NE 6 | S 12 | ENE 5 | NE 6 | E 10 | S 9 |
| kJ | 15 | 38 | 31 | 20 | 15 | 8 | 54 | 52 | 12 | 13 | 8 | 32 | 69 | 45 | 26 | 5 | 71 | 27 | 36 | 8 | 110 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | NE 12 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 18 | ENE 10 | ENE 9 | E 9 | E 11 | E 11 | E 10 | E 10 | E 10 | — | S 9 |
| kJ | 12 | 6 | 34 | 33 | 33 | 33 | 19 | 19 | 19 | 19 | 6 | 18 | 9 | 7 | 9 | 9 | 8 | 8 | 8 | — | 142 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NE 4 | NW 3 | NW 3 | — | NW 3 | NW 3 | WSW 3 | WSW 4 | — | NE 3 | NE 5 | — | WNW 4 | — | — | E 3 | NE 5 | NE 6 | NE 6 | — |
| kJ | 4 | 25 | 3 | 2 | — | 1 | 4 | 7 | 25 | — | 16 | 19 | — | 37 | — | — | 8 | 42 | 80 | 119 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 13 | 0 | 1 | 1 | 1 | 1 | 109 | 5 | 34 | 100 | 0 | 1 | 0 | 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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