Surf Forecasts:
Little Austi and Main Beach surf forecast from 27 Aug 2026:
- Best quality surf: Friday 28 Aug, 4AM (local time) - 6ft (1.8m), 11s period, SSE swell with offshore winds.
- Most powerful swell: Friday 28 Aug, 4AM (local time) - 6ft (1.8m), 11s period, SSE swell with 800 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 4AM (local time) - 6ft (1.8m), 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 Friday (Aug 28) at 4AM. The primary swell is predicted to be 1.8m and 11s period with a secondary swell of 0.6m and 9s. 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 1.8m 11s and forecast to arrive on Friday (Aug 28) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 9s period and expected on Sunday (Aug 30) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 28th Aug) | 6ft (1.8m) 11s |
| Best Surf | 4AM (Fri 28th Aug) | 6ft (1.8m) 11s |
| Most Powerful | 4AM (Fri 28th Aug) | 6ft (1.8m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, gather 'round. Rusty here, and I've been staring at the charts for our little corner of the coast. It’s been a bit of a quiet one lately, but there’s some light at the end of the tunnel.
Right now, we’re in a bit of a lull. The swell energy is weak, sitting around (18) to (27), with tiny waves. The good news is that the water temp is about average for this time of year, so it won't shock you too much when you first get in. We’ll see a bump of moderate energy on the 6th of September (103), but it's wind-swell junk at 4 ft from the SSW with a short, snappy 6-second period, and it'll be blown out by a stiff 16 mph wind. That’s more of a kite-surfing setup than anything for a paddle board.
The first real chance of a decent wave comes on the 10th of September. Thursday morning, Little Austi and Main Beach (beach and reef) should clean up nicely. We’ve got moderate energy (220) from the NE, pushing in at 5 ft, but the period is a short 7-seconds. The wind will be light and clean, which is a major positive. But keep an eye on Thursday afternoon because that’s the true standout. The wind goes glassy, the swell bumps up a touch to 6 ft from the NE, and the energy climbs (293). It’ll be a bit of a short-period lump, but clean conditions with no wind are hard to beat. That's the one to circle on the calendar, though keep in mind, with that size and a short period, it could be a little closed-out and better for the more experienced crew.
A couple of days later, on the 12th, there's a drop-off. We’ll see a tiny wave (2 ft) with gentle offshore winds, but the energy is weak (74). It'll be surfable but nothing to write home about.
So, look sharp. The first week is mostly a write-off for any real quality. The second week starts with a bit of promise, but that Thursday afternoon glass-off on the 10th is your best bet. Don't be late.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Sun morning, min 11°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Wed morning, min 11°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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) | SSE 12 | SSE 11 | SSE 10 | SSE 9 | SSE 10 | SE 10 | SE 9 | SE 9 | ENE 9 | ENE 8 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | NE 6 | ENE 10 | ENE 10 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 265 | 561 | 373 | 261 | 246 | 211 | 125 | 68 | 25 | 14 | 18 | 16 | 15 | 15 | 39 | 35 | 34 | 33 | 33 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross-on | cross-off | glassy | cross-on | off | cross-on | cross-on | cross-off | cross-off | cross | off | cross-off | cross-off | off | off | off | off |
High Tide | 8:16AM1.21m | 8:16PM1.53m | 8:51AM1.27m | 8:52PM1.50m | 9:26AM1.33m | 9:30PM1.43m | 10:03AM1.38m | 10:11PM1.34m | 10:43AM1.41m | 10:56PM1.23m | 11:28AM1.41m | 11:50PM1.11m | |||||||
Low Tide | 2:15AM0.13m | 1:59PM0.28m | 2:45AM0.11m | 2:40PM0.25m | 3:16AM0.11m | 3:22PM0.25m | 3:48AM0.13m | 4:08PM0.25m | 4:22AM0.18m | 4:58PM0.28m | 5:01AM0.25m | 5:55PM0.31m | |||||||
 |  |  | | | | | | | | | | | | | | | |  | |
 | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — |
 | — | — | 5:34 | — | — | 5:35 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 17 | 15 | 13 | 16 | 15 | 12 | 18 | 16 | 12 | 20 | 19 | 14 | 24 | 23 | 17 | 26 | 26 | 19 |
Feels °C | 10 | 14 | 11 | 12 | 14 | 14 | 11 | 16 | 14 | 11 | 17 | 15 | 13 | 20 | 20 | 15 | 22 | 23 | 17 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSE 11 | SSE 10 | SSE 9 | SSE 10 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | NE 5 | NE 5 |
| kJ | 191 | 561 | 373 | 261 | 246 | 199 | 113 | 188 | 270 | 306 | 165 | 175 | 139 | 237 | 185 | 141 | 71 | 19 | 13 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | ENE 8 | ENE 8 | ENE 8 | S 9 | SE 10 | SE 9 | SE 9 | ENE 9 | S 17 | S 16 | S 16 | S 15 | ENE 9 | ENE 11 | NE 6 | NE 5 | S 10 | SSE 10 |
| kJ | 265 | 39 | 26 | 25 | 175 | 211 | 125 | 68 | 25 | 148 | 172 | 118 | 72 | 15 | 39 | 31 | 17 | 49 | 31 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | S 13 | S 13 | S 10 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | S 16 | ENE 8 | ENE 10 | ENE 9 | ENE 9 | ENE 11 | NE 12 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 52 | 55 | 30 | 34 | 30 | 28 | 32 | 30 | 21 | 14 | 18 | 16 | 15 | 12 | 6 | 35 | 34 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | — | S 8 | — | — | — | — | — | — | NE 3 | NE 3 | NNE 3 | NE 4 | NW 3 | NNW 3 | NNE 5 | NW 3 |
| kJ | — | — | 9 | — | 177 | — | — | — | — | — | — | 2 | 2 | 2 | 37 | 1 | 4 | 44 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 1 | 50 | 0 | 0 | 100 | 0 | 7 | 76 | 1 | 1 | 38 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
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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