Williamson's Beach Weather Forecast

    • 9
    • 14

    Partly cloudy

    • 7
    • 14

    Partly cloudy

    • 3
    • 18

    Partly cloudy

    • 11
    • 23

    Shower or two

    • 11
    • 17

    Shower or two

    • 10
    • 13

    Showers

    • 9
    • 13

    Cloudy

Today 10 Sep Wonthaggi

Partly cloudy. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly about 10 knots, reaching up to 20 knots in the far east.
Seas
Below 1 metre, increasing to 1 to 1.5 metres in the east.
1st Swell
Southwesterly 2 to 2.5 metres, increasing to 2.5 to 4 metres in the west.
Weather
Mostly clear.
Weather Situation
A strong high pressure system to the west is extending a ridge across Victoria. The high will cross Bass Strait on Friday, with winds tending warmer northerly on Saturday as the high moves over the Tasman Sea. A low pressure trough will move across western and central Victoria later on Sunday, with a weak cold front then forecast to approach southwestern Victoria on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamson's Beach Temperature Statistics View More

September Temperature

Wonthaggi (6km)

  • Lowest 4 September, 2026

    6.6 °C

  • Average September

    12 °C

  • Highest 1 September, 2026

    21 °C

Climate (2021–2026)

Wonthaggi (6km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    12.9 °C

  • Average High 2021–2026

    19.9 °C
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