Thirroul Beach Weather Forecast
- 9
- 20
Mostly sunny
- 12
- 19
Sunny
- 8
- 17
Sunny
- 8
- 19
Sunny
- 10
- 17
Mostly sunny
- 10
- 18
Partly cloudy
- 11
- 17
Mostly sunny
Today 22 Jul Wollongong
Mostly sunny. Light winds becoming northeast to southeasterly 15 to 20 km/h in the middle of the day then tending westerly 15 to 25 km/h in the early afternoon.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 15 to 20 knots turning westerly in the late morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Kembla.
- Weather
- Mostly sunny.
- Weather Situation
- Northerly winds are becoming west to northwesterly as a ridge extending from a high over the Tasman Sea recedes ahead of a cold front approaching the state from the southwest. The cold front will then cross the coastal waters on Thursday into early Friday, with a fresh to strong southwesterly wind change in its wake.
Thirroul Beach Temperature Statistics View More
July Temperature
Bellambi (5km)
Lowest 11 July, 2026
8.9 °CAverage July
14.3 °CHighest 2 July, 2026
21.3 °C
Climate (2021–2026)
Bellambi (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
21.8 °C