Thirroul Beach Weather Forecast
- 11
- 18
Clear
- 11
- 19
Sunny
- 12
- 21
Mostly sunny
- 13
- 23
Sunny
- 15
- 25
Mostly sunny
- 16
- 23
Sunny
- 14
- 23
Sunny
Today 29 Aug Wollongong
Clear. Winds southeasterly 15 to 20 km/h becoming light in the late afternoon.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- South to southeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the Bight is extending a ridge over NSW coastal waters. This ridge will be maintained for several days, after which the high is expected to move over the coastal waters early Tuesday. Later Tuesday and throughout the remainder of the week a cold front cross the south bringing windy conditions.
Thirroul Beach Temperature Statistics View More
August Temperature
Bellambi (5km)
Lowest 5 August, 2026
9.4 °CAverage August
14.9 °CHighest 21 August, 2026
23.2 °C
Climate (2021–2026)
Bellambi (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C