Gunnamatta Beach Weather Forecast

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    • 14

    Shower

    • 8
    • 14

    Shower

    • 6
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

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    Shower

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    • 15

    Shower

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    Shower

Today 4 Aug Mornington Peninsula

Partly cloudy. Very high chance of showers, with possible small hail in the late morning. Winds northwesterly 25 to 35 km/h turning westerly 20 to 30 km/h in the middle of the day.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
West to northwesterly 20 to 25 knots, reaching up to 30 knots in the far east in the late morning. Winds turning southwesterly 15 to 25 knots in the middle of the day.
Seas
1 to 2 metres.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the far west.
Weather
Partly cloudy. 80% chance of showers, with possible small hail inshore in the late morning.
Weather Situation
A low near Tasmania will extend troughs over southern VIC today. A high pressure system to the north will extend a ridge over the west later today, moving slowly eastwards across the state through to the end of the week as the high moves out over the Tasman Sea on Saturday. A weak front clips the south on Thursday.
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

    9.6 °C

  • Highest 2 August, 2026

    17.4 °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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