Flatrock Beach Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 11
    • 18

    Mostly sunny

    • 9
    • 18

    Sunny

    • 10
    • 19

    Mostly sunny

    • 11
    • 23

    Sunny

    • 15
    • 25

    Mostly sunny

    • 13
    • 21

    Partly cloudy

Today 28 Aug South Coast

Mostly sunny. Areas of frost and patchy fog inland in the morning. Light winds becoming east to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 17 and 20.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
West to northwesterly 10 to 15 knots shifting southerly in the late morning and early afternoon. Winds reaching up to 20 knots inshore in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Mostly sunny.
Weather Situation
Fresh southerly wind persists in the wake of a trough, now lying offshore. Winds will then ease later in the week as a high pressure ridge develops across the coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flatrock Beach Temperature Statistics View More

August Temperature

Ulladulla (14km)

  • Lowest 8 August, 2026

    7.3 °C

  • Average August

    14.1 °C

  • Highest 20 August, 2026

    23.2 °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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