Thirroul Beach Weather Forecast

    • 17
    • 22

    Mostly clear

    • 16
    • 27

    Mostly sunny

    • 18
    • 30

    Partly cloudy

    • 15
    • 18

    Showers

    • 14
    • 17

    Shower or two

    • 14
    • 19

    Possible shower

    • 13
    • 23

    Sunny

Today 24 Sep Wollongong

Mostly clear. Winds northeasterly 25 to 35 km/h tending northerly 15 to 25 km/h in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 20 to 25 knots, reaching up to 30 knots offshore north of Port Kembla during the afternoon and evening. Winds turning northerly in the evening.
Seas
1.5 to 2 metres.
1st Swell
Northeasterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A high pressure system over the Tasman Sea directs an east to northeasterly flow through the coastal waters. Winds will freshen and tend more north to northeasterly today and Friday as the high slips further to the east. A cold front and trough will then enter the Tasman Sea, bringing a southerly change which will gradually track northward through the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Beach Temperature Statistics View More

September Temperature

Bellambi (5km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    17.2 °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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