Flatrock Beach Weather Forecast

    • 9
    • 20

    Clear

    • 11
    • 23

    Mostly sunny

    • 13
    • 24

    Shower or two clearing

    • 14
    • 20

    Showers increasing

    • 9
    • 16

    Possible shower. Windy

    • 10
    • 17

    Partly cloudy

    • 8
    • 21

    Sunny

Today 12 Sep South Coast

Mostly clear. Winds east to northeasterly 15 to 20 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 15 to 20 knots turning northerly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore south of Point Perpendicular by early evening.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Weather
Clear.
Weather Situation
A high pressure system will drift across the Tasman Sea this weekend, causing winds to turn northeasterly. Northerly winds are expected to increase on Monday before turning southerly in the far south. This southerly change will continue to move north along the coast on Tuesday and strengthen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flatrock Beach Temperature Statistics View More

September Temperature

Ulladulla (14km)

  • Lowest 10 September, 2026

    7.7 °C

  • Average September

    16.5 °C

  • Highest 2 September, 2026

    27.3 °C

Climate (2021–2026)

Ulladulla (14km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    20.9 °C
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