Gunnamatta Beach Weather Forecast

    • 10
    • 16

    Partly cloudy

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 15

    Shower

    • 9
    • 15

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 8
    • 19

    Partly cloudy

Today 6 Sep Mornington Peninsula

Partly cloudy. Medium chance of showers, becoming less likely this morning. Winds southwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the morning then becoming west to southwesterly and light in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds turning westerly 15 to 20 knots in the late morning.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the morning.
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 will extend over northern Victoria on Sunday before a cold front crosses southern Victoria on Monday. The high pressure ridge will then extend across northern Victoria on Tuesday before a weak cold front crosses southern Victoria on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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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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