Lake Illawarra - Lake Illawarra Boat Ramp (Windang Bridge) Weather Forecast
- 15
- 23
Mostly sunny
- 11
- 20
Possible morning shower
- 11
- 25
Possible late shower
- 14
- 20
Sunny
- 11
- 21
Partly cloudy
- 12
- 21
Possible shower
- 10
- 20
Mostly sunny
Today 17 Sep Wollongong
Mostly sunny. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h during the morning.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to southwesterly 15 to 20 knots tending south to southeasterly in the early afternoon then tending west to southwesterly in the evening. Winds reaching up to 30 knots north of Point Perpendicular in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 2 metres north of Point Perpendicular by early evening.
- 1st Swell
- Southerly below 1 metre, increasing to 1 to 1.5 metres south of Port Kembla later in the evening.
- Weather
- Sunny.
- Weather Situation
- A front and its associated trough crossing the state has brought a west to southwesterly change to southern and central coastal waters. The front moves away to the Tasman Sea and the trough continues crossing the northern coastal waters on Wednesday. Then, a ridge of high pressure will drift across the coastal waters midweek ahead of the second cold front that looks set to cross the coast on Saturday.
Lake Illawarra - Lake Illawarra Boat Ramp (Windang Bridge) Temperature Statistics View More
September Temperature
Illawarra Regional Airport (8km)
Lowest 1 September, 2025
5 °CAverage September
15.2 °CHighest 8 September, 2025
29.4 °C
Climate (2020–Present)
Illawarra Regional Airport (8km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
17.1 °CAverage High 2020–2025
22.6 °C