Big Island Weather Forecast
- 17
- 23
Cloudy
- 16
- 27
Becoming windy. Partly cloudy
- 17
- 32
Sunny
- 17
- 24
Partly cloudy
- 17
- 21
Shower or two
- 16
- 23
Shower or two
- 17
- 28
Shower or two
Today 7 Dec Wollongong
Cloudy. Slight chance of a shower. Winds south to southeasterly 25 to 35 km/h tending east to southeasterly 15 to 20 km/h during the afternoon and evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- South to southeasterly 20 to 25 knots, reaching up to 30 knots offshore south of Point Perpendicular in the late morning. Winds tending east to southeasterly 10 to 15 knots in the evening.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A strong cold front is bringing a fresh to strong southwesterly change for southern parts of the coast, and strong northeasterly winds ahead of it for central and northern parts of the coast. This southwesterly change will reach central and northern parts of the coast this afternoon as the cold front moves east, before winds tend north to northeasterly across the entire coast on Monday as ridge builds along the coast. Another cold front will brush southern and central parts of the coast on Tuesday and Wednesday, bringing a southwesterly change with it.
Big Island Temperature Statistics View More
December Temperature
Bellambi (13km)
Lowest 2 December, 2025
12.8 °CAverage December
21.4 °CHighest 5 December, 2025
36.7 °C
Climate (2020–Present)
Bellambi (13km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.7 °C