Surf Forecasts:
Little Austi and Main Beach surf forecast from 12 Jul 2026:
- Best quality surf: Sunday 19 Jul, 4AM (local time) - 8ft (2.4m), 11s period, ENE swell with cross-offshore winds.
- Most powerful swell: Sunday 19 Jul, 10AM (local time) - 8ft (2.5m), 11s period, ENE swell with 1,483 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 7PM (local time) - 6ft (1.8m), 9s period with E 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 Saturday (Jul 18) at 7PM. The primary swell is predicted to be 1.8m and 9s 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 2.5m 11s and forecast to arrive on Sunday (Jul 19) at 10AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Wednesday (Jul 15) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 18th Jul) | 6ft (1.8m) 9s |
| Best Surf | 4AM (Sun 19th Jul) | 8ft (2.4m) 11s |
| Most Powerful | 10AM (Sun 19th Jul) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
Righto, grab a seat. Rusty here, and I’ve been staring at the charts for Little Austi and Main Beach. It’s a bit of a flat spell to kick things off, so don’t bother paddling out for the first few days. The water temp is sitting at 65°, which is about normal for the time of year, so you won’t need a steamer just yet.
The week starts with a nothing burger. Sunday through to Wednesday are pretty much a write-off with tiny, weak dribble and a cross-off breeze that’s not doing us any favours. The combined energy is in the gutter, reading 100 or less, and it’s staying that way for a few days. There’s a solid gap of quiet days here, so save your wax.
By Thursday the 16th, a bit of a push comes through with a 8ft SSE swell, but it’s short period (7 seconds) and the wind is a nasty cross-onshore that’s going to chop it up. The wave energy is moderate at 532, but the conditions are poor – honestly, this is more of a kite day than a paddle day. Friday the 17th is still marginal, with 5ft to 5ft E swell, but it’s messy and cross-shore, not worth the effort.
Now, hold onto your board, because the real standout is next Sunday, the 19th of July. This is the one. We’ve got a solid 8ft ENE groundswell rolling in with a very long 11-second period, and the combined energy is pumping at 1483. The wind goes glassy in the morning – that’s rare as hen’s teeth – and it’s offshore from the NW, which is the optimum direction for this spot. This is big, clean, and powerful. The waves are going to be proper, but at 8ft, it’s strictly for the experienced crew. Beginners, stay on the sand. The break is a beach and reef mix, so with that long period, it’s going to break a bit straight at the beach, but the reef sections should handle it nicely. Crowds are sometimes an issue here, and with a Sunday like this, expect a few locals out, but it’ll be worth it. This is the best on offer, no question.
Monday the 20th still has some juice, with 7ft ENE swell and clean offshore conditions, but it’s not quite the same quality. The week after that trails off, with smaller, choppier surf and poor conditions through to the end of the 16-day window. The long-range stuff on the 27th is tiny and not worth a mention.
So, bottom line: if you’ve got the skills, be on the water early Sunday the 19th. The rest of the period is a grind.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Tue morning, min 9°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Thu night. Very mild (max 15°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 8 | E 8 | S 10 | E 10 | SSW 5 | S 9 | S 10 | S 8 | SSE 7 | SSE 7 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 77 | 54 | 16 | 7 | 3 | 1 | 0 | 2 | 64 | 0 | 0 | 0 | 532 | 257 | 399 | 399 | 334 | 266 | 289 | 411 | 861 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | on | cross-off |
High Tide | 6:18PM1.70m | 7:10AM1.09m | 7:12PM1.77m | 8:06AM1.12m | 8:05PM1.81m | 8:57AM1.15m | 8:55PM1.80m | 9:47AM1.18m | 9:44PM1.74m | 10:35AM1.20m | 10:31PM1.62m | 11:23AM1.22m | 11:18PM1.47m | ||||||||
Low Tide | 11:39AM0.29m | 1:13AM0.04m | 12:36PM0.27m | 2:07AM-0.03m | 1:31PM0.24m | 2:57AM-0.07m | 2:25PM0.23m | 3:45AM-0.07m | 3:17PM0.24m | 4:30AM-0.03m | 4:10PM0.28m | 5:13AM0.04m | 5:05PM0.33m | ||||||||
 | |  | | | |  | | | | | | |  |  |  | |  | | | | |
 | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 5:01 | — | — | 5:01 | — | — | 5:02 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 3 | 3 | 1 | — | — | — |
Temp °C | 14 | 14 | 11 | 17 | 16 | 12 | 18 | 18 | 14 | 14 | 14 | 12 | 15 | 15 | 15 | 13 | 14 | 13 | 16 | 15 | 12 |
Feels °C | 7 | 8 | 6 | 11 | 11 | 9 | 13 | 14 | 10 | 11 | 9 | 8 | 9 | 10 | 12 | 12 | 11 | 10 | 13 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 9 | S 11 | SSW 11 | SSW 8 | SSW 6 | S 11 | E 10 | S 16 | — | S 16 | S 8 | E 8 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 10 |
| kJ | 77 | 54 | 16 | 10 | 24 | 6 | 8 | 22 | 2 | 5 | — | 5 | 367 | 12 | 399 | 399 | 334 | 266 | 289 | 411 | 861 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SW 6 | ESE 9 | S 7 | S 11 | S 10 | SSW 6 | E 10 | — | — | — | S 14 | S 13 | S 6 | S 6 | S 9 | S 10 | S 10 | S 9 | S 18 |
| kJ | 17 | 10 | 5 | 7 | 3 | 9 | 8 | 3 | 2 | — | — | — | 16 | 13 | 65 | 27 | 38 | 31 | 30 | 14 | 162 |
Swell 3 Height (m) Direction Period (s) | NNE 4 | SSW 6 | S 8 | S 7 | SE 8 | E 8 | — | E 10 | — | — | — | — | — | SSW 13 | S 12 | S 11 | S 11 | S 21 | S 21 | S 21 | S 8 |
| kJ | 6 | 3 | 6 | 4 | 3 | 1 | — | 2 | — | — | — | — | — | 34 | 25 | 20 | 9 | 33 | 36 | 75 | 11 |
Wind waves Height (m) Direction Period (s) | W 4 | WSW 4 | WNW 4 | WNW 3 | WNW 3 | NW 2 | NW 3 | NW 3 | SSW 5 | S 9 | S 10 | S 8 | SSE 7 | SSE 7 | — | — | — | — | — | — | — |
| kJ | 14 | 15 | 10 | 7 | 3 | 1 | 2 | 1 | 64 | 1028 | 1155 | 765 | 532 | 257 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 1 | 111 | 243 | 210 | 345 | 345 | 330 | 1 | 13 | 76 | 7 | 76 | 89 | 7 | 1 | 34 | 1 | 13 | 7 | 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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