Long Beach Weather Forecast
- 11
- 22
Showers developing
- 11
- 19
Possible shower
- 8
- 18
Cloudy
- 8
- 18
Partly cloudy
- 8
- 22
Mostly sunny
- 8
- 23
Sunny
- 10
- 26
Mostly sunny
Today 7 Sep Illawarra
Partly cloudy. The chance of fog inland in the early morning. High chance of showers in the south, medium chance elsewhere. Light winds becoming northwest to southwesterly 15 to 25 km/h in the morning then tending south to southwesterly in the early afternoon. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 17 and 23.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots becoming southerly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening. Squalls possible with the wind change.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening, then increasing to 1.5 to 2.5 metres later in the evening.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore north of Point Perpendicular this evening.
- Weather Situation
- A broad high pressure ridge continues to build from the west while a trough lingers over the far northeast of the state. A weak cold front is forecast to cross the far southeast of the state this morning, bringing a gusty southerly change up the NSW coast, followed by another cold front and southerly change mid-week.
Long Beach Temperature Statistics View More
September Temperature
Point Perpendicular (7km)
Lowest 4 September, 2026
12.7 °CAverage September
18.4 °CHighest 5 September, 2026
26.4 °C
Climate (2021–2026)
Point Perpendicular (7km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.9 °C