Gunnamatta Beach Weather Forecast

    • 11
    • 20

    Partly cloudy

    • 11
    • 26

    Sunny

    • 13
    • 29

    Sunny

    • 15
    • 27

    Cloudy

    • 12
    • 21

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 27 Dec Mornington Peninsula

Cloud clearing. Winds southerly 15 to 25 km/h tending southeasterly in the evening then becoming light in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
South to southeasterly 10 to 15 knots, reaching up to 20 knots in the west during the morning. Winds becoming variable about 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloud clearing.
Weather Situation
A high pressure system extends a broad ridge over Victoria as it slowly moves east from the Bight, to be over Tasmania later today and out to the Tasman Sea on Sunday. This ridge will begin clearing as a trough enters the far west late Monday, slowly moving over the state on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

December Temperature

Cerberus (28km)

  • Lowest 3 December, 2025

    6 °C

  • Average December

    16 °C

  • Highest 18 December, 2025

    35.8 °C

Climate (2020–Present)

Cerberus (28km)

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

  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
Get WillyWeather+ to remove ads