Surf Forecasts:
Little Austi and Main Beach surf forecast from 15 Jul 2026:
- Best quality surf: Sunday 19 Jul, 7PM (local time) - 6ft (1.9m), 10s period, ENE swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 4PM (local time) - 6ft (1.9m), 11s period, ENE swell with 793 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 7PM (local time) - 6ft (1.9m), 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 1.9m 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 1.9m 11s and forecast to arrive on Sunday (Jul 19) 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 2.3m 7s period and expected on Thursday (Jul 16) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 19th Jul) | 6ft (1.9m) 10s |
| Best Surf | 7PM (Sun 19th Jul) | 6ft (1.9m) 10s |
| Most Powerful | 4PM (Sun 19th Jul) | 6ft (1.9m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Little Austi and Main Beach. It’s a tale of two halves, with a promising window that’s worth circling on the calendar.
Right now, it’s a flat spell. We’re looking at a week of nothing doing. From Wednesday the 15th through to Saturday the 19th, the ocean is just a lazy blue carpet. A few tiny pulses try to show up on the Friday and Saturday, but they’re wrapped in cross-onshore winds and the energy is barely registering (combined energy of 37 to 131). For a surfer, it’s not worth the drive.
The first real sign of life arrives on Sunday the 19th. A 7ft swell from the ENE with a solid 10 to 11 second period slides in. The combined energy jumps to 842, so there’s some proper push in the water. The wind is clean onshore, so it won’t be perfect, but it’s a building block.
Now, the standout. Monday the 20th is the morning to wake up early for. The swell holds at 6ft from the ENE, but the wind swings to a light offshore from the NNW. That’s the magic combo. The sets will be clean, with a period of 10 seconds giving them some shape. The combined energy is still strong at 608. This is the best of the run. Tuesday morning the 21st is a close second, with a 5ft swell and those same offshore NNW winds, keeping it clean. The energy is a touch lower at 449, but still a great session.
Wednesday the 22nd and Thursday the 23rd are still surfable, with the swell dropping from 4ft down to 3ft, but the winds are good. Wednesday morning has a light offshore from the NW, and Thursday afternoon is glassy. These are the days to grab a log or a funboard and enjoy a cruisy wave.
After that, the plug gets pulled. By Friday the 24th, the wind goes ugly and the swell fades. The rest of the outlook through to the end of the month is mostly small, weak, and choppy. There’s a tiny, very long-period groundswell on the 27th (1.0ft at 16 seconds) but it’s too small to do anything with.
So, the call is simple: the best on offer is the morning of Monday the 20th. The 6ft ENE swell with that light offshore is the cleanest, most powerful window we get. The Tuesday morning is a very solid backup. For the rest, it’s a waiting game.
Stay stoked, and don’t sleep on that Monday.
Rusty
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Very mild (max 16°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Tue morning, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 9 | E 11 | S 8 | S 7 | SSE 7 | SSE 6 | S 5 | E 7 | E 7 | E 7 | ENE 9 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 2 | 0 | 0 | 219 | 104 | 56 | 68 | 86 | 112 | 302 | 706 | 793 | 689 | 596 | 532 | 548 | 473 | 473 | 410 | 346 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-off | off | cross-off | off | off | cross | cross-off | glassy |
High Tide | 8:55PM1.80m | 9:47AM1.18m | 9:44PM1.74m | 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 | ||||||||
Low Tide | 3:45AM-0.07m | 3:17PM0.24m | 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 | ||||||||
 |  |  | |  |  | |  | | | | | | | | | | | | | | |
 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 |
 | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — | 5:07 |
mm | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 16 | 16 | 14 | 14 | 15 | 13 | 15 | 15 | 14 | 16 | 15 | 13 | 17 | 16 | 12 | 18 | 18 | 14 | 17 |
Feels °C | 10 | 9 | 10 | 11 | 10 | 11 | 13 | 11 | 11 | 12 | 11 | 14 | 13 | 13 | 14 | 13 | 10 | 15 | 15 | 12 | 15 |
Swell 1 Height (m) Direction Period (s) | S 15 | E 11 | S 18 | S 18 | S 19 | S 9 | E 6 | E 7 | E 7 | E 7 | ENE 9 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 5 | 2 | 6 | 26 | 27 | 23 | 32 | 68 | 86 | 112 | 302 | 706 | 793 | 689 | 596 | 532 | 548 | 473 | 473 | 410 | 346 |
Swell 2 Height (m) Direction Period (s) | — | E 11 | — | SSW 14 | E 8 | E 8 | S 8 | S 10 | S 21 | S 9 | S 8 | S 17 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 |
| kJ | — | 2 | — | 19 | 5 | 10 | 21 | 100 | 33 | 43 | 22 | 93 | 84 | 153 | 138 | 134 | 58 | 55 | 31 | 31 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 12 | S 15 | S 11 | S 21 | S 18 | S 20 | S 18 | S 8 | S 16 | SE 16 | SSE 15 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 |
| kJ | — | — | — | — | 27 | 18 | 22 | 9 | 6 | 30 | 59 | 19 | 46 | 10 | 23 | 8 | 8 | 8 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | S 9 | S 7 | S 8 | S 7 | SSE 7 | SSE 6 | S 5 | — | S 10 | S 4 | — | — | — | — | — | — | NNE 4 | NNW 3 | — | — | — |
| kJ | 654 | 343 | 503 | 578 | 219 | 104 | 56 | — | 153 | 7 | — | — | — | — | — | — | 14 | 9 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 76 | 1 | 89 | 164 | 41 | 65 | 7 | 1 | 13 | 13 | 5 | 7 | 7 | 0 | 0 | 38 | 0 | 0 | 19 | 0 | 0 |
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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