Thirroul Beach Weather Forecast

    • 13
    • 18

    Clear

    • 11
    • 18

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 12
    • 19

    Cloud clearing

    • 12
    • 21

    Mostly sunny

    • 13
    • 23

    Mostly sunny

    • 15
    • 25

    Mostly sunny

Today 8 Sep Wollongong

Clear. Light winds.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots.
Seas
Below 0.5 metres.
1st Swell
Southerly 1.5 metres inshore, increasing to 2 metres offshore north of Port Kembla.
Weather
Clear.
Weather Situation
A broad high pressure ridge continues to build over the coastal waters in the wake of a cold front that brushed the coast this morning and has since moved into the Tasman Sea. Another cold front will make its way up the coast on Wednesday, bringing fresh to strong southerly winds. Winds will gradually ease later in the week, then turn east to northeasterly as a high pressure system traverses the state's south and enters the Tasman Sea by the weekend.
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  • Temperature Forecast Bureau of Meteorology

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Thirroul Beach Temperature Statistics View More

September Temperature

Bellambi (5km)

  • Lowest 7 September, 2026

    12.3 °C

  • Average September

    18.8 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (5km)

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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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