Seven Mile Beach Weather Forecast
- 12
- 23
Sunny
- 12
- 29
Shower or two. Very windy
- 12
- 23
Sunny
- 10
- 22
Shower or two
- 10
- 20
Mostly sunny
- 9
- 19
Possible shower
- 8
- 20
Partly cloudy
Today 4 Sep Illawarra
Mostly sunny. Slight chance of a shower along the coastal fringe later tonight. Near zero chance of rain elsewhere. Winds west to southwesterly 15 to 25 km/h tending west to northwesterly 20 to 30 km/h during the morning. Daytime maximum temperatures between 18 and 23.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to southwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla early in the morning. Winds shifting east to northeasterly during the morning then tending northwest to northeasterly in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- 1st Swell
- Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Cloud clearing.
- Weather Situation
- South to southwesterly winds as a high pressure system centred over the state moves east into the Tasman Sea. A weak trough developing over the southern waters today brings northeasterly winds to the southern coasts. North to northwesterly winds redevelop across the state's coast ahead of a vigorous cold front crossing the waters late Saturday into Sunday.
Seven Mile Beach Temperature Statistics View More
September Temperature
Nowra (RAN Air Station) (22km)
Lowest 1 September, 2026
8.1 °CAverage September
18.3 °CHighest 2 September, 2026
26.1 °C
Climate (2021–2026)
Nowra (RAN Air Station) (22km)
Average Low 2021–2026
12.1 °CAverage 2021–2026
16.6 °CAverage High 2021–2026
22.5 °C