Thirroul Beach Weather Forecast
- 14
- 30
Clear
- 14
- 22
Mostly sunny
- 14
- 20
Shower or two
- 12
- 18
Morning shower or two
- 11
- 18
Shower or two
- 11
- 18
Mostly sunny
- 11
- 20
Mostly sunny
Today 5 Sep Wollongong
Clear. Winds westerly 30 to 35 km/h.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Westerly 15 to 20 knots, reaching up to 30 knots south of Port Kembla.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres offshore south of Port Kembla.
- 1st Swell
- Northeasterly around 1 metre.
- Weather
- Clear.
- Weather Situation
- A strong high pressure system in the Tasman Sea extends a ridge across northeast NSW, while cold front has crossed the southern inland and will continue through the central east later this evening. The front is forecast to reach northeast NSW by Sunday morning then move offshore into the Tasman Sea through the day. Another weak ridge is forecast in the wake of the front Sunday, followed by a series of fronts slipping south of the state through Monday onwards.
Thirroul Beach Temperature Statistics View More
September Temperature
Bellambi (5km)
Lowest 1 September, 2026
12.6 °CAverage September
19.3 °CHighest 2 September, 2026
27.5 °C
Climate (2021–2026)
Bellambi (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C