Gunnamatta Beach Weather Forecast

    • 10
    • 15

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 8
    • 15

    Shower

    • 8
    • 15

    Cloudy

    • 9
    • 15

    Cloudy

    • 7
    • 17

    Cloudy

    • 11
    • 19

    Shower

Today 26 Aug Mornington Peninsula

Partly cloudy. Winds southwesterly 15 to 25 km/h becoming light in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots in the far east during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far east.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Weather
Partly cloudy.
Weather Situation
A large high pressure system over South Australia will begin to extend a ridge over western Victoria from today. The high pressure centre will slowly move over the north on Thursday, remaining relatively stationary on Friday with a weak trough skimming the south in the afternoon. A new high pressure ridge will begin to develop from the west on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

August Temperature

Cerberus (28km)

  • Lowest 2 August, 2026

    2.3 °C

  • Average August

    11.1 °C

  • Highest 24 August, 2026

    18 °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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