Lake Illawarra - Reddall Reserve Boat Ramp Weather Forecast
- 18
- 36
Mostly sunny
- 21
- 37
Partly cloudy
- 18
- 22
Shower or two
- 16
- 27
Partly cloudy
- 17
- 32
Sunny
- 18
- 25
Possible shower
- 17
- 22
Shower or two
Today 5 Dec Wollongong
Mostly sunny. The chance of a thunderstorm in the afternoon. Winds north to northwesterly 15 to 25 km/h turning east to northeasterly 20 to 30 km/h in the middle of the day then tending northwest to northeasterly in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 15 to 20 knots increasing to 20 to 25 knots in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system lies over the Tasman Sea, extending a ridge over the state. Northerly winds strengthening by the weekend, with a brief weak southerly change expected along the south coast today. Then, a cold front will cross the state during the weekend, bringing a fresh to strong southerly wind change over coastal waters in its wake.
Lake Illawarra - Reddall Reserve Boat Ramp Temperature Statistics View More
December Temperature
Illawarra Regional Airport (7km)
Lowest 1 December, 2025
7.4 °CAverage December
17.7 °CHighest 3 December, 2025
26.9 °C
Climate (2020–Present)
Illawarra Regional Airport (7km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
17.1 °CAverage High 2020–2025
22.6 °C