Surf Forecasts:
Little Austi and Main Beach surf forecast from 29 Aug 2026:
- Best quality surf: Sunday 30 Aug, 10AM (local time) - 2ft (0.6m), 9s period, SE swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 10AM (local time) - 6ft (1.8m), 6s period, SW swell with 224 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 10AM (local time) - 2ft (0.6m), 9s period with SE 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 (Aug 30) at 10AM. The primary swell is predicted to be 0.6m 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 1.8m 6s and forecast to arrive on Sunday (Sep 06) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Sep 05) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 30th Aug) | 2ft (0.6m) 9s |
| Best Surf | 10AM (Sun 30th Aug) | 2ft (0.6m) 9s |
| Most Powerful | 10AM (Sun 6th Sep) | 6ft (1.8m) 6s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s talk about what’s on the cards for Little Austi and Main Beach over the next couple of weeks.
Right off the bat, we’ve got nothing doing for a good stretch. The first week is a real flat spell, with only tiny, weak waves and poor conditions. You’re looking at a gap of about eight days of mostly unrideable surf, so don’t bother waxing up until we hit the second week.
The real action starts to build on Sunday the 6th of September. We get a pulse of 6ft swell from the southwest, but it’s short-period and the wind is cross-shore, so it’s pretty messy. That’s more of a heads-up than a go-day.
The standout window is Monday the 7th of September. This is the one. Overnight, a solid 7ft swell from the southeast rolls in, with a period of 10 seconds. The energy is strong (836), and we’ve got light, clean offshore winds out of the NNW. This is going to be proper, clean, and punchy. The morning will be the pick with glassy conditions and the water is 64°, which is about average for this time of year. This is for the experienced crew, as it’s over 8ft, so keep the beginners on the beach.
After that peak, the swell backs off but stays rideable through the middle of the week, though the winds turn more cross-onshore, making it choppy. The following weekend into the next week, we see another push of swell, but it’s wind-affected and junky for the most part.
The second best option comes on Monday the 14th of September. The swell is 6ft from the northeast, clean and glassy with a light offshore wind. The energy is very strong at 701. It’s a solid, clean day for the intermediates and up, but the crowds are possible at this spot, so get in early.
So, to wrap it up: this is a slow starter, but the 7th of September is the absolute highlight. The 14th of September is a solid backup. The rest of the run is a mixed bag of small, messy, or onshore conditions.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 11°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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) | SE 9 | SE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | NE 6 | ENE 10 | ENE 10 | ENE 10 | NE 6 | ENE 10 | SSE 10 | ENE 10 | ENE 10 | NE 4 | ENE 9 | NE 6 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 70 | 28 | 14 | 17 | 16 | 15 | 15 | 38 | 34 | 33 | 33 | 33 | 12 | 20 | 31 | 19 | 86 | 6 | 17 | 0 | 121 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | off | glassy | cross | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | off | cross-off | cross-off | cross-off |
High Tide | 9:30PM1.43m | 10:03AM1.38m | 10:11PM1.34m | 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 | ||||||||
Low Tide | 3:22PM0.25m | 3:48AM0.13m | 4:08PM0.25m | 4:22AM0.18m | 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 | ||||||||
 | |  | | | | | |  | | | | | | | | | | |  |  | |
 | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 18 | 16 | 13 | 20 | 19 | 14 | 26 | 26 | 18 | 26 | 27 | 19 | 23 | 23 | 15 | 22 | 21 | 16 | 29 | 28 | 17 |
Feels °C | 16 | 14 | 13 | 17 | 16 | 13 | 22 | 23 | 15 | 21 | 24 | 17 | 18 | 18 | 10 | 19 | 19 | 14 | 25 | 21 | 12 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 10 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 6 | S 10 | S 5 | S 11 | S 9 | S 10 | S 9 | S 9 | NE 7 |
| kJ | 160 | 155 | 202 | 97 | 143 | 162 | 182 | 141 | 100 | 104 | 72 | 47 | 15 | 52 | 11 | 57 | 55 | 104 | 81 | 60 | 121 |
Swell 2 Height (m) Direction Period (s) | SE 9 | ENE 8 | S 17 | S 15 | S 16 | ENE 9 | ENE 9 | ENE 11 | NE 6 | NE 6 | NE 6 | ENE 10 | S 12 | NE 6 | SSE 10 | SSW 6 | S 18 | S 7 | ENE 9 | — | S 9 |
| kJ | 70 | 28 | 147 | 107 | 80 | 15 | 15 | 38 | 34 | 20 | 11 | 33 | 75 | 10 | 31 | 10 | 55 | 25 | 17 | — | 27 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | SE 9 | ENE 8 | ENE 9 | ENE 9 | E 12 | ENE 11 | N 12 | ENE 10 | ENE 10 | ENE 10 | NE 6 | NE 6 | ENE 10 | ENE 10 | ENE 10 | SSE 12 | NE 4 | N 10 | — | E 12 |
| kJ | 30 | 21 | 14 | 17 | 16 | 3 | 12 | 3 | 34 | 33 | 33 | 5 | 12 | 19 | 19 | 19 | 13 | 6 | 2 | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 3 | NE 4 | NNE 4 | NE 5 | NNW 3 | NW 3 | — | WNW 3 | WSW 3 | SSW 6 | W 3 | — | ENE 10 | NNE 4 | NNE 5 | NE 6 | NW 4 |
| kJ | — | — | — | — | 4 | 7 | 5 | 25 | 6 | 2 | — | 1 | 3 | 20 | 2 | — | 86 | 11 | 19 | 156 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 34 | 1 | 1 | 53 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 42 | 1 | 19 | 159 | 1 |
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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