Thirroul Weather Forecast

    • 10
    • 18

    Clear

    • 10
    • 23

    Sunny

    • 17
    • 27

    Sunny

    • 16
    • 29

    Sunny

    • 18
    • 26

    Shower or two

    • 14
    • 17

    Possible shower

    • 15
    • 20

    Possible shower

Today 17 Sep Wollongong

Clear. Winds southeasterly 15 to 20 km/h becoming light in the late afternoon.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southeast to southwesterly 10 to 15 knots becoming variable below 10 knots in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres later in the evening.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Clear.
Weather Situation
A high pressure system over the state is extending a strong ridge lies over New South Wales Coastal Waters bringing moderate to fresh south to southwesterly winds. The winds weaken as the high moves over the Tasman Sea late Sunday. Behind this a cold front, will brush the southern coastal waters on Monday, leaving a southerly change in its wake. The change is expected to reach the QLD border on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Temperature Statistics View More

September Temperature

Bellambi (6km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    17 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (6km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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