Gunnamatta Beach Weather Forecast

    • 7
    • 15

    Partly cloudy

    • 8
    • 15

    Shower

    • 8
    • 15

    Cloudy

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Cloudy

    • 10
    • 20

    Shower

    • 9
    • 17

    Shower

Today 27 Aug Mornington Peninsula

Partly cloudy. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
West to southwesterly about 10 knots tending west to northwesterly 10 to 15 knots in the morning. Winds reaching up to 20 knots in the west in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far west during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west.
Weather
Partly cloudy.
Weather Situation
A high pressure centre will persist across the State today. The high will weaken slightly on Friday as the tail end of a cold front clips southern parts of the State before a new ridge builds eastwards across the State from Saturday and into Sunday.
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

    11.2 °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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