Gunnamatta Beach Weather Forecast

    • 10
    • 26

    Sunny

    • 18
    • 30

    Windy

    • 12
    • 20

    Partly cloudy

    • 12
    • 21

    Shower

    • 10
    • 18

    Shower

    • 10
    • 22

    Partly cloudy

    • 12
    • 21

    Shower

Today 3 Dec Mornington Peninsula

Sunny. Winds northwesterly 15 to 25 km/h turning northerly during the afternoon and evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state and it will strengthen on Wednesday and Thursday ahead of a cold front which will cross Victoria later on Thursday, followed by a trough and low pressure system on Friday. Another cold front moves over the south of Victoria on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

December Temperature

Cerberus (28km)

  • Lowest 2 December, 2025

    10.5 °C

  • Average December

    12.8 °C

  • Highest 1 December, 2025

    16 °C

Climate (2020–Present)

Cerberus (28km)

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  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
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