Gunnamatta Beach Weather Forecast

    • 7
    • 15

    Partly cloudy

    • 9
    • 17

    Shower

    • 9
    • 15

    Rain

    • 9
    • 14

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 8
    • 15

    Shower

    • 8
    • 16

    Shower

Today 23 Aug Mornington Peninsula

Partly cloudy. Light winds becoming northerly 15 to 20 km/h in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres in the west.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure over the State will weaken and move over the Tasman Sea on Monday as a low pressure system and associated trough approaches from the west. This low pressure will cross quickly eastwards across the State on Tuesday and out over the Tasman on Wednesday.
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 °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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