Shellharbour South Beach Weather Forecast
- 18
- 29
Showers. Becoming very windy
- 16
- 19
Shower or two
- 16
- 20
Cloudy
- 16
- 23
Partly cloudy
- 16
- 27
Sunny
- 19
- 28
Possible shower
- 19
- 25
Shower or two
Today 14 Dec Illawarra
Partly cloudy. The chance of fog about higher ground early this morning. Medium chance of showers this evening. Winds west to northwesterly 25 to 40 km/h shifting south to southeasterly 30 to 45 km/h in the evening. Daytime maximum temperatures 27 to 32.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 10 to 15 knots tending north to northeasterly 15 to 25 knots in the middle of the day then shifting southerly in the evening. Winds reaching up to 30 knots in the evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres south of Port Kembla by early evening.
- 1st Swell
- Easterly 1 to 1.5 metres, tending northeasterly 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A trough will move across the state's south and west today as a cold front passes to the south. Then, the system will sweep the coastal waters on Sunday through the first half of Monday, bringing a fresh to strong southerly wind change in its wake. Southerly winds will gradually ease from the south and turn easterly early next week as a new high enters the Bight and extends a ridge across the coastal waters.
Shellharbour South Beach Temperature Statistics View More
December Temperature
Kiama (Bombo Headland) (7km)
Lowest 2 December, 2025
11.9 °CAverage December
20.2 °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