Thirroul Beach Weather Forecast
- 15
- 25
Partly cloudy
- 16
- 23
Sunny day. Late shower or two
- 10
- 16
Partly cloudy
- 10
- 17
Partly cloudy
- 10
- 21
Sunny
- 14
- 26
Sunny
- 15
- 28
Sunny
Today 14 Sep Wollongong
Partly cloudy. Slight chance of a shower in the late morning and afternoon. Light winds becoming north to northwesterly 20 to 30 km/h in the morning then becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Point Perpendicular in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla.
- Weather
- Partly cloudy.
- Weather Situation
- Northerly winds will increase during today before a trough brings a southerly change to the far south in the evening. This southerly change will continue to move north along the coast on Tuesday and then strengthen as a cold front reaches the Tasman Sea. After this, southerly winds will persist as a new ridge of high pressure extends across from the west.
Thirroul Beach Temperature Statistics View More
September Temperature
Bellambi (5km)
Lowest 10 September, 2026
10.8 °CAverage September
17.1 °CHighest 5 September, 2026
30.7 °C
Climate (2021–2026)
Bellambi (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C