Thirroul Beach Weather Forecast

    • 9
    • 17

    Mostly clear

    • 9
    • 17

    Sunny

    • 8
    • 18

    Mostly sunny

    • 10
    • 19

    Showers increasing

    • 12
    • 16

    Shower or two. Windy

    • 10
    • 18

    Mostly sunny

    • 10
    • 17

    Partly cloudy

Today 6 Aug Wollongong

Mostly clear. Winds westerly 15 to 20 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla.
Weather
Mostly clear.
Weather Situation
A high pressure ridge is lying over NSW coastal waters. A trough may brush the south during Friday from a weak low pressure system near New Zealand. A cold front and several troughs are forecast to cross the coast during Sunday and Monday afternoon bringing unsettled weather. Several more weaker troughs are expected behind this system Thursday and Friday next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Beach Temperature Statistics View More

August Temperature

Bellambi (5km)

  • Lowest 5 August, 2026

    9.4 °C

  • Average August

    13.7 °C

  • Highest 3 August, 2026

    21.3 °C

Climate (2021–2026)

Bellambi (5km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    21.8 °C
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