Surf Forecasts:
Little Austi and Main Beach surf forecast from 9 Sep 2026:
- Best quality surf: Sunday 13 Sep, 7PM (local time) - 1ft (0.3m), 13s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 15 Sep, 4PM (local time) - 4.5ft (1.4m), 6s period, SSE swell with 135 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 7PM (local time) - 1ft (0.3m), 13s 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 (Sep 13) at 7PM. The primary swell is predicted to be 0.3m and 13s period with a secondary swell of 0.2m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Little Austi and Main Beach in the next 16 days are 1.4m 6s and forecast to arrive on Tuesday (Sep 15) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 10s period and expected on Wednesday (Sep 09) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 13th Sep) | 1ft (0.3m) 13s |
| Best Surf | 7PM (Sun 13th Sep) | 1ft (0.3m) 13s |
| Most Powerful | 4PM (Tue 15th Sep) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, this is Rusty. Let's have a look at what's on the table for Little Austi and Main Beach.
Honestly, looking at the next couple of weeks, it’s a pretty grim stretch. We’re looking at a long, dry spell with hardly any rideable waves. The first real glimmer of anything worthwhile doesn't show up until Monday the 14th, and even then it's barely a pulse. For the most part, the swell is tiny, the period is short, and the wind is a problem. The energy is weak, with values mostly in the 20s or 30s (combined energy of all swells directed here), which is just not enough to push a decent wave.
The water temperature is sitting right around average for the time of year at 64°, so no shock there.
We don't get a sniff of anything until Monday the 14th. The morning offers a tiny 3ft NE swell with offshore wind, but it's a weak, short-period wave. By the afternoon, the swell picks up a little to 4ft from the NE, but the wind swings cross, making it a bit messy. Still, not worth paddling out for.
The week drags on. Tuesday the 15th gets a bit of a bump in the afternoon with a 5ft SSE swell, but that's coupled with onshore wind, making it a choppy mess. The energy is moderate (169), but the quality is poor. This setup is honestly more interesting for kite surfing than paddle surfing.
The best bet on offer, and I mean the only standout, is the morning of Wednesday the 23rd. A solid 5ft NE swell, with a period of 7 seconds, and clean cross-offshore winds from the N/NW. The energy is strong (330). This is the only session in the whole 16 days that looks like it could actually be fun. Go for it, but it's almost two weeks away, so keep an eye on it.
Other than that, it's a lot of waiting. We get a few clean mornings with light winds, but the swell is either non-existent or too small to do anything with. The afternoon of the 20th offers a 3ft NE swell with clean cross-off wind, but it’s just ordinary.
So, the takeaway: there's a whole lot of nothing. The forecast could change, but right now, circle Wednesday the 23rd in your calendar and hope it holds.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 9°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Fri afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Mon morning, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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 7 | ESE 13 | ESE 11 | ESE 10 | ESE 9 | ENE 15 | E 15 | ENE 14 | ENE 13 | ENE 14 | ENE 14 | NE 4 | ENE 13 | NE 5 | NE 6 | NE 6 | NE 5 | NE 6 | NE 6 | SSE 6 | ENE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 50 | 17 | 41 | 19 | 17 | 21 | 17 | 19 | 18 | 19 | 19 | 17 | 17 | 66 | 62 | 43 | 92 | 101 | 46 | 135 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-off | on | cross-on | cross-off | cross-off | cross | off | cross-off | cross-off | off | off | cross | off | cross-on | on | on |
High Tide | 6:46PM1.62m | 7:28AM1.27m | 7:32PM1.61m | 8:08AM1.35m | 8:15PM1.56m | 8:46AM1.41m | 8:57PM1.46m | 9:23AM1.44m | 9:37PM1.35m | 9:59AM1.44m | 10:18PM1.22m | 10:37AM1.41m | 11:00PM1.09m | ||||||||
Low Tide | 12:24PM0.27m | 1:23AM0.03m | 1:15PM0.21m | 2:01AM0.03m | 2:02PM0.17m | 2:37AM0.06m | 2:48PM0.16m | 3:10AM0.12m | 3:33PM0.18m | 3:42AM0.20m | 4:18PM0.23m | 4:14AM0.28m | 5:05PM0.29m | ||||||||
 | |  | |  | | | |  | | | | | | | | | |  | |  | |
 | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — |
 | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 14 | 13 | 15 | 15 | 12 | 17 | 16 | 13 | 20 | 18 | 14 | 21 | 19 | 16 | 26 | 25 | 19 | 16 | 14 | 14 |
Feels °C | 13 | 6 | 5 | 10 | 11 | 10 | 14 | 14 | 13 | 16 | 14 | 13 | 17 | 16 | 16 | 23 | 23 | 18 | 13 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SE 7 | ESE 13 | ESE 11 | ESE 10 | S 22 | S 10 | S 10 | S 10 | S 10 | S 12 | S 10 | S 10 | S 10 | S 11 | NE 6 | NE 6 | S 11 | NE 6 | NE 6 | NE 6 | S 9 |
| kJ | 50 | 17 | 41 | 19 | 229 | 776 | 593 | 479 | 332 | 341 | 218 | 122 | 138 | 141 | 62 | 43 | 79 | 101 | 46 | 17 | 395 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | S 26 | S 23 | ESE 9 | ESE 9 | E 15 | ENE 14 | S 18 | S 19 | S 19 | S 19 | ENE 13 | ENE 13 | S 12 | S 11 | ENE 13 | S 10 | ENE 13 | ENE 13 | NE 6 |
| kJ | 8 | 8 | 13 | 91 | 17 | 7 | 17 | 19 | 26 | 171 | 61 | 111 | 17 | 17 | 172 | 112 | 17 | 47 | 16 | 17 | 8 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 17 | S 23 | E 9 | E 9 | ENE 15 | E 10 | E 10 | ENE 13 | ENE 14 | ENE 14 | ENE 13 | S 16 | ENE 13 | ENE 13 | ENE 13 | — | ENE 12 | E 16 | — | ENE 13 |
| kJ | 4 | 6 | 41 | 1 | 2 | 21 | 2 | 2 | 18 | 19 | 19 | 16 | 21 | 35 | 17 | 17 | — | 15 | 5 | — | 17 |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | S 10 | S 10 | S 9 | — | — | — | — | — | ENE 3 | NE 4 | NE 4 | NE 5 | NNE 6 | — | NE 5 | — | S 10 | SSE 6 | — |
| kJ | 161 | 1121 | 2702 | 1048 | 865 | — | — | — | — | — | 5 | 17 | 13 | 66 | 112 | — | 92 | — | 45 | 135 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 819 | 7 | 34 | 50 | 1 | 7 | 76 | 1 | 1 | 92 | 1 | 8 | 438 | 0 | 0 | 8 | 0 | 260 | 41 | 7 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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