Gunnamatta Beach Weather Forecast

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    Shower

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    Shower

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    Shower

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    • 15

    Shower

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    Shower

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    Partly cloudy

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    Partly cloudy

Today 10 Aug Mornington Peninsula

Cloudy. Medium chance of showers. Winds southwesterly 25 to 35 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the east.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Partly cloudy.
Weather Situation
A low pressure system centred northeast of Tasmania extends a trough northwestwards over Victoria. The low and trough will move eastwards overnight. A ridge of high pressure will extend over Victoria from a high pressure system over Queensland on Tuesday but this ridge will move eastwards later in the day as a cold front approaches from the west. This cold front will move across Victoria during Wednesday then a high pressure system is expected to build over the Bight later in the week and extend a ridge across Victoria.
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

    10.2 °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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