Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 14

    Shower

    • 7
    • 14

    Partly cloudy

    • 7
    • 16

    Partly cloudy

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    Partly cloudy

Today 12 Aug Mornington Peninsula

Partly cloudy. High chance of showers. Winds westerly 20 to 30 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 20 to 25 knots, reaching up to 30 knots in the late morning and afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres in the west.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A 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. The main high pressure centre will move over Tasmania over the weekend and the ridge will move to the south of Victoria.
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  • 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

    10.4 °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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