Gunnamatta Beach Weather Forecast

    • 8
    • 14

    Cloudy

    • 9
    • 15

    Cloudy

    • 7
    • 15

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 14
    • 22

    Shower

    • 11
    • 15

    Shower

Today 9 Sep Mornington Peninsula

Cloudy. Winds south to southwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the east during the day.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres in the west.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight extends a ridge over Victoria. A weak cold front will clip southern Victoria early this morning, before the high pressure system drifts eastward over Victoria later in the week, moving into the Tasman Sea by the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 8 September, 2026

    3.3 °C

  • Average September

    12.7 °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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