Cudmirrah Beach Weather Forecast
- 13
- 29
Clear
- 18
- 22
Shower or two
- 12
- 17
Cloudy
- 13
- 21
Shower or two
- 14
- 24
Mostly sunny
- 14
- 28
Sunny
- 16
- 28
Shower or two
Today 20 Sep Illawarra
Clear. Winds westerly 20 to 30 km/h turning northwesterly in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots offshore south of Point Perpendicular during the afternoon and evening. Winds turning northwesterly in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly 1 to 1.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the Tasman Sea today directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters on Monday, reaching the QLD border by Tuesday. A second high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly.
Cudmirrah Beach Temperature Statistics View More
September Temperature
Ulladulla (21km)
Lowest 16 September, 2026
6.9 °CAverage September
16.2 °CHighest 2 September, 2026
27.3 °C
Climate (2021–2026)
Ulladulla (21km)
Average Low 2021–2026
13.8 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
20.9 °C