Big Island Weather Forecast
- 7
- 18
Partly cloudy
- 11
- 21
Shower or two
- 10
- 18
Possible shower
- 8
- 18
Mostly sunny
- 9
- 16
Sunny
- 7
- 16
Mostly sunny
- 8
- 16
Sunny
Today 5 Jul Wollongong
Partly cloudy. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then becoming light in the late afternoon.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots offshore north of Port Kembla in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A weak ridge of high pressure is moving across New South Wales. Over the weekend, a weakened trough and associated front are expected to move across the state. This will be followed by a stronger cold front mid-week bringing a return to gusty winter westerlies.
Big Island Temperature Statistics View More
July Temperature
Bellambi (13km)
Lowest 1 July, 2025
11.2 °CAverage July
13.9 °CHighest 3 July, 2025
17.8 °C
Climate (2020–Present)
Bellambi (13km)
Average Low 2020–2025
15 °CAverage 2020–2025
17.9 °CAverage High 2020–2025
21.6 °C