Shellharbour South Beach Weather Forecast
- 14
- 19
Cloudy
- 14
- 20
Sunny
- 15
- 22
Possible morning shower
- 14
- 22
Mostly sunny
- 14
- 24
Sunny
- 17
- 26
Possible shower developing
- 16
- 24
Shower or two
Today 26 Dec Illawarra
Cloudy. Slight chance of a shower in the early morning. Winds south to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 8 and 14 with daytime temperatures reaching between 17 and 20.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots during the day. Winds easing to 15 to 25 knots in the early evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly 3 to 4 metres, decreasing to 2 to 3 metres during the morning.
- Weather
- Cloudy.
- Weather Situation
- Fresh to strong southerly winds are prevailing as a strong high pressure system over the Bight extends a ridge over the coastal waters. Winds are forecast to remain southerly into the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea by the weekend.
Shellharbour South Beach Temperature Statistics View More
December Temperature
Kiama (Bombo Headland) (7km)
Lowest 2 December, 2025
11.9 °CAverage December
20.8 °CHighest 5 December, 2025
32.5 °C
Climate (2020–Present)
Kiama (Bombo Headland) (7km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
21.4 °C