Flatrock Beach Weather Forecast
- 16
- 23
Mostly sunny
- 12
- 21
Sunny
- 14
- 25
Shower or two
- 14
- 20
Sunny
- 12
- 19
Shower or two
- 12
- 18
Partly cloudy
- 11
- 18
Shower or two
Today 3 Sep South Coast
Slight chance of a shower early this morning. Sunny afternoon. Winds northwest to southwesterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures 20 to 25.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 15 to 20 knots turning westerly during the morning and early afternoon. Winds reaching up to 25 knots offshore south of Port Kembla during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Kembla around midday.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- North to northwesterly winds ahead of a trough and associated cold front crosses the coastal waters during today, driving west to southwesterly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.
Flatrock Beach Temperature Statistics View More
September Temperature
Ulladulla (14km)
Lowest 1 September, 2026
9.9 °CAverage September
19.9 °CHighest 1 September, 2026
25.6 °C
Climate (2021–2026)
Ulladulla (14km)
Average Low 2021–2026
13.8 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
20.9 °C