Surf Forecasts:
Little Austi and Main Beach surf forecast from 16 Jul 2026:
- Best quality surf: Sunday 19 Jul, 7PM (local time) - 6ft (1.8m), 10s period, ENE swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 10AM (local time) - 7ft (2.2m), 11s period, ENE swell with 1,121 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 7PM (local time) - 6ft (1.8m), 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 Sunday (Jul 19) at 7PM. The primary swell is predicted to be 1.8m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Little Austi and Main Beach in the next 16 days are 2.2m 11s and forecast to arrive on Sunday (Jul 19) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Friday (Jul 24) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 19th Jul) | 6ft (1.8m) 10s |
| Best Surf | 7PM (Sun 19th Jul) | 6ft (1.8m) 10s |
| Most Powerful | 10AM (Sun 19th Jul) | 7ft (2.2m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, let’s get into it. Little Austi and Main Beach is on the table. It’s a beach and reef break, fairly consistent, and the water temp is about what you’d expect for this time of year.
The first few days are a total bust. Friday the 17th and Saturday the 18th are all junk: cross-onshore wind, short period slop, and very low energy. Not worth a second look.
Sunday the 19th sees a jump in swell to 7ft from the ENE, with a 11-second period, and the energy goes through the roof to 1133. But the wind is cross-on, and the conditions are marginal. For a beach and reef, that’s going to be a washing machine. More of a kite day than a surf day.
The real standout is Monday the 20th. Swell drops to a clean 6ft from the ENE, period at 10 seconds, and the wind goes offshore from the NNW in the morning. It’s glassy, clean, and the energy is 642. That’s the best session of the whole forecast. The afternoon stays clean with a cross-offshore breeze.
Tuesday the 21st is almost as good. The swell is 5ft, but the wind is glassy, dead calm. The ocean will be a mirror. The period is 10 seconds, so it’s a nice, rideable groundswell. Energy is 409. Perfect for intermediates.
Wednesday the 22nd is still clean in the morning with offshore wind and 4ft swell. Thursday the 23rd has a morning window with offshore wind and 4ft, but the wind picks up hard in the afternoon.
Then it gets quiet. From Friday the 24th right through to the start of August, the swell drops to a foot or less, and the winds are all onshore or cross. There’s a flash on Sunday the 26th afternoon with a 4ft SE swell and a 12-second period, but it’s blown out. Not worth it.
Monday the 27th is a late good one. Swell 5ft from the SE, long period at 12 seconds, and a cross-offshore wind in the morning. The energy is 688. It’s clean, but the SE direction isn’t the best for this spot. Still a solid wave.
The rest of the 16 days is flat or messy. So, your best bet is Monday the 20th and Tuesday the 21st. Get on it.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 16°C on Sat morning, min 12°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Wed morning, min 10°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||
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 6 | S 6 | S 5 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 200 | 75 | 64 | 51 | 57 | 86 | 240 | 1121 | 837 | 663 | 619 | 532 | 578 | 402 | 346 | 264 | 226 | 301 | 247 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | off | off | cross-off | off | glassy | glassy | off | off | cross | off |
High Tide | 10:35AM1.20m | 10:31PM1.62m | 11:23AM1.22m | 11:18PM1.47m | 12:12PM1.24m | 00:06AM1.30m | 1:01PM1.26m | 00:57AM1.14m | 1:53PM1.27m | 1:54AM1.01m | 2:46PM1.28m | 3:00AM0.92m | |||||||
Low Tide | 4:30AM-0.03m | 4:10PM0.28m | 5:13AM0.04m | 5:05PM0.33m | 5:54AM0.13m | 6:03PM0.40m | 6:34AM0.22m | 7:05PM0.46m | 7:14AM0.31m | 8:15PM0.49m | 7:57AM0.39m | 9:28PM0.50m | |||||||
 |  |  |  | | | | |  |  | | | | | | | | | | |
 | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 5:05 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — |
mm | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 14 | 16 | 15 | 14 | 16 | 15 | 12 | 17 | 17 | 13 | 18 | 16 | 13 | 21 | 19 | 16 |
Feels °C | 10 | 12 | 12 | 13 | 14 | 13 | 13 | 15 | 14 | 11 | 14 | 14 | 11 | 16 | 15 | 12 | 18 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | S 19 | E 5 | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 10 | NE 9 |
| kJ | 27 | 21 | 53 | 51 | 57 | 86 | 240 | 1121 | 837 | 663 | 619 | 532 | 578 | 402 | 346 | 264 | 226 | 16 | 247 |
Swell 2 Height (m) Direction Period (s) | E 8 | S 9 | S 11 | S 10 | S 10 | S 10 | S 8 | S 17 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 12 | S 10 |
| kJ | 5 | 24 | 21 | 51 | 47 | 45 | 23 | 209 | 83 | 153 | 138 | 129 | 57 | 56 | 31 | 31 | 30 | 3 | 8 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | E 8 | S 8 | S 21 | S 21 | S 20 | S 18 | SE 17 | S 16 | SE 16 | SSE 15 | SE 15 | SE 14 | SE 14 | S 15 | S 14 | SE 13 | S 12 | S 12 |
| kJ | 27 | 10 | 35 | 9 | 34 | 31 | 58 | 12 | 43 | 10 | 23 | 8 | 8 | 7 | 4 | 4 | 7 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SSE 6 | S 6 | S 5 | S 5 | S 4 | S 4 | — | — | — | — | — | NE 3 | NW 3 | — | — | — | — | ENE 10 | NW 3 |
| kJ | 200 | 75 | 64 | 7 | 10 | 7 | — | — | — | — | — | 3 | 3 | — | — | — | — | 301 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 49 | 65 | 65 | 1 | 7 | 5 | 1 | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 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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