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Little Austi and Main Beach Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Little Austi and Main Beach surfForecast / NSW – Illawarra / Australia
16 Day Weather and Surf, issued 9 am Sunday 17 May 2026 AESTForecast update in hr min s Forecast update imminent
Little Austi and Main Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Little Austi and Main Beach sea temperature is
20.2° C
(Which is normal for this time of year)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 (May 17) at 7PM. The primary swell is predicted to be 2.1m 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 2.3m 10s and forecast to arrive on Wednesday (May 20) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.5m 12s period and expected on Thursday (May 21) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 17th May) | 7ft (2.1m) 9s |
| Best Surf | 7PM (Sun 17th May) | 7ft (2.1m) 9s |
| Most Powerful | 1AM (Wed 20th May) | 7.5ft (2.3m) 10s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Tue afternoon. Warm (max 20°C on Sun morning, min 13°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Wed morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | E 10 | ENE 10 | E 10 | E 10 | SSE 9 | SSE 8 | SSE 8 | E 10 | |
678 | 710 | 808 | 758 | 603 | 490 | 521 | 1072 | 1124 | 666 | 541 | 392 | 337 | 265 | 136 | 74 | 75 | 828 | 402 | 206 | 200 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross | off | glassy | glassy | glassy | glassy | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-off | |
High Tide | 8:30PM1.77m | 9:20AM1.17m | 9:20PM1.77m | 10:17AM1.11m | 10:13PM1.73m | 11:17AM1.07m | 11:09PM1.65m | 12:21PM1.04m | 00:08AM1.55m | 1:27PM1.05m | 1:11AM1.44m | 2:33PM1.09m | 2:15AM1.33m | ||||||||
Low Tide | 2:01PM0.20m | 3:18AM-0.05m | 2:50PM0.25m | 4:14AM-0.04m | 3:41PM0.31m | 5:12AM-0.00m | 4:36PM0.37m | 6:11AM0.06m | 5:37PM0.44m | 7:11AM0.11m | 6:47PM0.49m | 8:10AM0.17m | 8:03PM0.51m | ||||||||
 |  |  | | |  |  | |  |  | |  | | | | | | | | |  | |
 | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — |
 | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 4:59 | — | — | 4:58 | — | — | 4:58 | — |
— | — | — | — | — | 4 | 3 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 18 | 20 | 19 | 17 | 17 | 16 | 16 | 18 | 16 | 14 | 18 | 17 | 13 | 18 | 17 | 14 | 19 | 19 | 14 |
19 | 20 | 18 | 19 | 19 | 18 | 18 | 13 | 12 | 13 | 10 | 10 | 13 | 12 | 9 | 13 | 12 | 10 | 16 | 17 | 12 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | S 10 | ENE 11 | S 11 | S 12 | SSE 13 | S 12 | E 10 | E 10 | SSE 9 | SSE 8 | SSE 8 | E 10 |
 kJ | 678 | 710 | 808 | 758 | 603 | 490 | 521 | 1072 | 1124 | 1780 | 541 | 3550 | 5346 | 6200 | 5698 | 74 | 75 | 828 | 402 | 206 | 200 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | ENE 10 | — | ENE 11 | ENE 11 | E 10 | ENE 10 | — | — | E 10 | E 10 | ESE 9 | SSE 8 |
| kJ | — | — | — | — | — | — | — | — | — | 666 | — | 392 | 337 | 265 | 136 | — | — | 71 | 47 | 141 | 102 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | NE 9 | ENE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 | 23 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 3 | S 9 | S 10 | S 10 | S 11 | — | S 13 | S 12 | S 11 | S 10 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 3 | 1173 | 2555 | 2550 | 4439 | — | 7400 | 7470 | 3953 | 2316 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 13 | 50 | 7 | 7 | 13 | 5 | 7 | 13 | 7 | 1 | 7 | 0 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Little Austi and Main Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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