Surf Forecasts:
Little Austi and Main Beach surf forecast from 19 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, 1PM (local time) - 6.5ft (2.0m), 11s period, ENE swell with 938 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 2.0m 11s and forecast to arrive on Sunday (Jul 19) at 1PM. 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 10s period and expected on Friday (Jul 24) at 1AM.
| 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 | 1PM (Sun 19th Jul) | 6.5ft (2.0m) 11s |
Table - best surf conditions forecast for Little Austi and Main Beach over the next 16 days.
The Lowdown
Alright, Rusty here, giving you the rundown on what’s cookin’.
First off, we’ve got a slow start, so don’t paddle out just yet. The first real chance to catch a wave is on Monday morning, July 20th, at Little Austi and Main Beach (a beach and reef setup). The water temp is about 64.6°, which is normal for this time of year, nothing to write home about.
Monday morning is the pick of the first week. You’ve got a clean 6.2ft ENE swell with an 11-second period. The wind is light and offshore from the NW, leaving the surface glassy. The combined energy is moderate (863). It’s not huge, but it’s clean and fun for an intermediate. Expect a few heads out, as it can get crowded here sometimes.
The rest of that week goes flat quick. Tuesday morning still has a clean 4.6ft, but the energy is lower (402). By Wednesday afternoon, the swell is down to 3.3ft, and by Thursday, it’s only 2.3ft with a moderate cross-off breeze. From Friday through the end of the month, we’re in a proper dry spell, with nothing but tiny waves and poor conditions for days. A long gap of no real surf.
Saturday, July 30th is where things start to pick up again. A new swell fills in from the SSE, which is the right direction for this spot. Saturday morning shows a clean 5.2ft swell with an 11-second period and a light cross-off breeze. The energy is moderate (564). This is a solid run.
Monday, August 3rd is the real standout, and it’s a big one. This is over a week out, so keep an eye on it, but it looks promising. We’re looking at a solid 9.8ft SSE groundswell with a very long 13-second period. The combined energy is strong at 2954. That’s a lot of power. The wind is light and cross-off from the WSW. This is going to be a powerful, clean wave, but it’s for experts only at that size. It’s a point break and reef setup, so that long-period swell will line up nicely, but it might be too much for the beach breaks. This is the best on offer.
Short Range ForecastMostly dry. Very mild (max 17°C on Mon morning, min 10°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Wed morning, min 7°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
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) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 973 | 793 | 823 | 839 | 743 | 564 | 402 | 331 | 392 | 236 | 180 | 130 | 71 | 53 | 30 | 18 | 18 | 14 | 7 | 7 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-off | off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:12PM1.24m | 00:06AM1.30m | 1:01PM1.26m | 00:57AM1.14m | 1:53PM1.27m | 1:54AM1.01m | 2:46PM1.28m | 3:00AM0.92m | 3:41PM1.30m | 4:12AM0.87m | 4:35PM1.33m | 5:17AM0.88m | 5:25PM1.37m | ||||||||
Low Tide | 6:03PM0.40m | 6:34AM0.22m | 7:05PM0.46m | 7:14AM0.31m | 8:15PM0.49m | 7:57AM0.39m | 9:28PM0.50m | 8:45AM0.45m | 10:38PM0.47m | 9:39AM0.49m | 11:37PM0.42m | 10:35AM0.49m | 00:25AM0.36m | ||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |
 | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:08 | — | — | 5:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 17 | 17 | 11 | 17 | 17 | 12 | 21 | 19 | 15 | 15 | 15 | 8 | 15 | 14 | 12 | 16 | 15 | 13 |
Feels °C | 13 | 14 | 12 | 14 | 14 | 9 | 14 | 14 | 11 | 18 | 14 | 11 | 8 | 9 | 2 | 8 | 7 | 7 | 10 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 9 | S 10 | S 9 | S 10 | S 10 | SSW 11 | S 12 | S 11 |
| kJ | 973 | 793 | 823 | 839 | 743 | 564 | 402 | 331 | 392 | 236 | 180 | 130 | 71 | 373 | 668 | 335 | 325 | 164 | 438 | 759 | 505 |
Swell 2 Height (m) Direction Period (s) | S 17 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 11 | S 10 | S 10 | ENE 9 | ENE 9 | NE 8 | NE 8 | S 18 | S 16 | ENE 8 | ENE 8 |
| kJ | 209 | 86 | 153 | 178 | 127 | 82 | 55 | 31 | 17 | 17 | 21 | 8 | 8 | 53 | 30 | 18 | 18 | 56 | 339 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 17 | S 16 | SE 16 | SSE 16 | SSE 15 | SE 14 | S 15 | S 15 | S 14 | SE 13 | S 12 | — | — | E 8 | E 8 | E 7 | S 18 | ENE 8 | ENE 8 | — | S 18 |
| kJ | 12 | 43 | 10 | 24 | 21 | 8 | 19 | 17 | 4 | 7 | 3 | — | — | 1 | 1 | 1 | 24 | 14 | 7 | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | N 3 | NE 4 | NNE 5 | — | — | WSW 4 | WSW 5 | — | S 10 | NW 2 | W 3 | WSW 4 | — | WSW 4 | WSW 4 |
| kJ | — | — | — | — | — | 7 | 5 | 10 | 86 | — | — | 20 | 52 | — | 998 | 2 | 4 | 42 | — | 13 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 13 | 0 | 0 | 8 | 0 | 0 | 8 | 0 | 0 | 1 | 0 | 1 | 1 | 5 | 1 | 1 | 1 | 1 | 69 | 1 |
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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