Gunnamatta Beach Weather Forecast

    • 5
    • 18

    Partly cloudy

    • 9
    • 23

    Partly cloudy

    • 14
    • 21

    Shower

    • 11
    • 16

    Shower

    • 9
    • 17

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 11
    • 24

    Shower

Today 23 Sep Mornington Peninsula

Mostly sunny. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Easterly about 10 knots increasing to 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Sunny.
Weather Situation
A high pressure system near Bass Strait will move across the Tasman Sea during the rest of the week, directing a warm north to northeasterly airstream over Victoria. Another high pressure system moves in from the west from Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 18 September, 2026

    2.4 °C

  • Average September

    13 °C

  • Highest 20 September, 2026

    26.2 °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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