Gunnamatta Beach Weather Forecast

    • 7
    • 14

    Clear

    • 6
    • 16

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 11
    • 17

    Shower

    • 10
    • 16

    Shower

    • 8
    • 16

    Shower

    • 8
    • 15

    Shower

Today 16 Aug Mornington Peninsula

Clear. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
East to southeasterly 10 to 15 knots tending east to northeasterly in the late evening.
Seas
Below 0.5 metres, increasing to below 1 metre in the east.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system centred over Tasmania will move over the Tasman Sea on Monday. An associated ridge south of Victoria will also move eastwards over the Tasman Sea on Monday. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday then a weak high pressure ridge will move over the state 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

    10.7 °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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