Gunnamatta Beach Weather Forecast

    • 4
    • 20

    Clear

    • 12
    • 21

    Shower

    • 12
    • 18

    Shower

    • 9
    • 15

    Shower

    • 8
    • 14

    Cloudy

    • 8
    • 15

    Cloudy

    • 8
    • 20

    Sunny

Today 12 Sep Mornington Peninsula

Clear. Light winds becoming northerly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the evening then tending northerly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the far west.
Weather
Clear.
Weather Situation
A high pressure system currently lies over the western Tasman Sea, directing a warm northerly flow over Victoria. A low pressure trough will move across western and central Victoria later on Sunday, with a weak cold front then forecast to approach southwestern Victoria during Monday. The front will cross late Monday into early Tuesday, before a strong high pressure ridge pushes into western Victoria in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 8 September, 2026

    3.3 °C

  • Average September

    12.3 °C

  • Highest 5 September, 2026

    17.6 °C

Climate (2021–2026)

Cerberus (28km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    19.6 °C
Get WillyWeather+ to remove ads