Flatrock Beach Weather Forecast

    • 14
    • 21

    Possible early shower

    • 11
    • 19

    Sunny

    • 11
    • 18

    Partly cloudy

    • 11
    • 21

    Mostly sunny

    • 13
    • 17

    Showers

    • 13
    • 17

    Shower or two

    • 10
    • 18

    Partly cloudy

Today 21 Aug South Coast

Mostly sunny. The chance of fog in the south in the early morning. Slight chance of a shower. Light winds becoming northeast to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 5 and 12 with daytime temperatures reaching between 17 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots offshore south of Point Perpendicular during the morning. Winds turning north to northeasterly below 10 knots in the late morning and early afternoon then tending northwest to southwesterly 10 to 15 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
Weather
Mostly sunny. 60% chance of showers. The chance of a thunderstorm offshore south of Port Kembla in the morning.
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

    13.6 °C

  • Highest 3 August, 2026

    21 °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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