Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Cloudy

    • 6
    • 15

    Partly cloudy

    • 8
    • 14

    Shower

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 12
    • 21

    Shower

Today 7 Sep Mornington Peninsula

Cloudy. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots in the far east.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the east.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight extends a ridge over northern Victoria. A weak cold front will clip southern Victoria on Wednesday before the high pressure system drifts eastward over Victoria later in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 1 September, 2026

    4.9 °C

  • Average September

    13.1 °C

  • Highest 5 September, 2026

    17.6 °C

Climate (2021–2026)

Cerberus (28km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    19.7 °C
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