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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
48hr Weather and Surf, issued 3 am Wednesday 20 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
20.1° C
(Which is normal for this time of year)How big are the waves at Little Austi and Main Beach today?
The current surf forecast for Little Austi and Main Beach at 12PM is: 1.7m 10s primary swell from a East-northeast direction and 1.6m 10s secondary swell from a East-northeast direction (forecast issued at 03:00am May 20). An open ocean swell of 2.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 10s |
| Afternoon (20 May) | 5ft (1.5m) | 10s |
| Evening (20 May) | 5ft (1.5m) | 10s |
Table - waves today at Little Austi and Main Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 17°C on Wed afternoon, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SE 7 | ESE 10 | ESE 10 | ESE 10 | |
886 | 763 | 676 | 607 | 540 | 450 | 441 | 392 | 370 | 312 | 318 | 312 | 312 | 296 | 250 | 204 | 429 | 345 | 302 | 244 | 209 | 383 | 540 | 678 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 10:13PM1.73m | 11:17AM1.07m | 11:09PM1.65m | 12:21PM1.04m | 00:08AM1.55m | 1:27PM1.05m | ||||||||||||||||||
Low Tide | 5:12AM-0.00m | 4:36PM0.37m | 6:11AM0.06m | 5:37PM0.44m | 7:11AM0.11m | 6:47PM0.49m | ||||||||||||||||||
 | |  |  |  | | | | | | | | | |  | | | | | |  | |  | | |
 | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
Temp °C | 13 | 13 | 12 | 15 | 16 | 17 | 14 | 13 | 13 | 13 | 12 | 16 | 17 | 17 | 15 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 16 | 16 |
10 | 11 | 10 | 12 | 13 | 14 | 11 | 10 | 9 | 9 | 8 | 11 | 12 | 13 | 11 | 10 | 9 | 9 | 9 | 12 | 14 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | S 9 | S 9 | S 9 | ENE 10 | S 9 | S 9 | S 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 886 | 537 | 904 | 984 | 540 | 750 | 627 | 687 | 370 | 312 | 318 | 312 | 312 | 296 | 250 | 204 | 200 | 160 | 154 | 207 | 139 | 383 | 540 | 678 |
Swell 2 Height (m) Direction Period (s) | S 8 | ENE 10 | ENE 10 | ENE 10 | — | ENE 10 | ENE 10 | ENE 10 | — | — | — | — | — | S 16 | — | S 16 | S 16 | S 15 | S 15 | S 14 | S 8 | S 8 | S 8 | S 8 |
| kJ | 553 | 763 | 676 | 607 | — | 450 | 441 | 392 | — | — | — | — | — | 5 | — | 5 | 5 | 5 | 17 | 16 | 48 | 42 | 29 | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | S 13 | S 12 | SSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 | 29 | 11 | 24 |
Wind waves Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | — | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SE 7 | SSE 7 | S 7 | — |
| kJ | 829 | 809 | 1210 | 1331 | 880 | 979 | 840 | — | 745 | 1232 | 1288 | 985 | 848 | 650 | 526 | 509 | 429 | 345 | 302 | 244 | 209 | 78 | 54 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 5 | 5 | 0 | 0 | 7 | 7 | 7 | 13 | 13 | 50 | 13 | 1 | 7 | 7 | 7 | 13 | 7 | 7 | 7 | 13 |
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)
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