Cabbage Tree Island Weather Forecast
- 8
- 22
Clear
- 10
- 28
Sunny
- 15
- 30
Mostly sunny
- 16
- 26
Showers
- 14
- 22
Showers easing
- 12
- 22
Shower or two
- 11
- 23
Possible shower
Today 29 Sep Illawarra
Clear. Winds northeasterly 15 to 25 km/h turning north to northwesterly 15 to 20 km/h 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 offshore south of Point Perpendicular by early evening.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular.
- Weather
- Clear.
- Weather Situation
- A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
Cabbage Tree Island Temperature Statistics View More
September Temperature
Point Perpendicular (9km)
Lowest 18 September, 2026
9.6 °CAverage September
16.8 °CHighest 26 September, 2026
30.6 °C
Climate (2021–2026)
Point Perpendicular (9km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.9 °C