Thirroul Beach Weather Forecast

    • 11
    • 20

    Mostly sunny

    • 13
    • 23

    Sunny

    • 14
    • 25

    Possible shower

    • 15
    • 23

    Shower or two developing

    • 11
    • 17

    Partly cloudy

    • 10
    • 18

    Mostly sunny

    • 10
    • 23

    Sunny

Today 12 Sep Wollongong

The chance of fog in the early morning. Mostly sunny day. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then turning north to northwesterly 15 to 20 km/h in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming north to northeasterly 15 to 20 knots in the middle of the day.
Seas
Below 0.5 metres, increasing to around 1 metre around midday.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Weather
Cloud clearing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Beach Temperature Statistics View More

September Temperature

Bellambi (5km)

  • Lowest 10 September, 2026

    10.8 °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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