Long Beach Weather Forecast
- 20
- 28
Becoming cloudy
- 17
- 28
Partly cloudy
- 16
- 31
Sunny day. Late shower or two
- 15
- 22
Shower or two
- 13
- 23
Partly cloudy
- 12
- 24
Partly cloudy
- 13
- 25
Mostly sunny
Today 22 Dec Illawarra
Mostly sunny. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm in the morning and early afternoon. Winds westerly 15 to 25 km/h shifting east to southeasterly in the late morning and early afternoon then becoming light in the late evening. Daytime maximum temperatures 27 to 32.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to southwesterly 15 to 20 knots shifting east to southeasterly in the late morning. Winds reaching up to 25 knots offshore north of Port Kembla in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southerly below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
- Weather
- Mostly sunny. The chance of a thunderstorm in the morning and early afternoon.
- Weather Situation
- A ridge over the northern Tasman Sea is directing northerly winds along the coast. A cold front will bring a fresh to strong southerly change to the southern half on Monday. This will be followed by another southerly surge on Tuesday through to northern parts of the coast.
Long Beach Temperature Statistics View More
December Temperature
Point Perpendicular (7km)
Lowest 2 December, 2025
10.3 °CAverage December
20.5 °CHighest 5 December, 2025
33 °C
Climate (2020–Present)
Point Perpendicular (7km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C