Gunnamatta Beach Weather Forecast

    • 10
    • 16

    Cloudy

    • 9
    • 15

    Shower

    • 7
    • 15

    Shower

    • 8
    • 14

    Shower

    • 9
    • 15

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 7
    • 19

    Partly cloudy

Today 6 Sep Mornington Peninsula

Cloudy. Slight chance of a shower, most likely later this evening. Winds southwesterly 15 to 20 km/h becoming light in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge extends over northern Victoria as a weak cold front approaches from the southwest. The front is forecast to cross southern Victoria on Monday before the ridge extends across the State again on Tuesday. Another weak cold front will clip southern Victoria on Wednesday, with a high pressure system south of the Bight approaching western Victoria later on Thursday.
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  • 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

    13.4 °C

  • Highest 3 September, 2026

    17 °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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