Gunnamatta Beach Weather Forecast

    • 8
    • 15

    Partly cloudy

    • 7
    • 21

    Partly cloudy

    • 12
    • 22

    Sunny

    • 13
    • 24

    Shower

    • 10
    • 15

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 7
    • 19

    Partly cloudy

Today 17 Sep Mornington Peninsula

Mostly clear. Light winds.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the far east.
Seas
1 to 1.5 metres, increasing to 2 metres in the far east.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Cloudy.
Weather Situation
A strong high pressure system centred over western Victoria will move slowly over NSW before a cold front crosses the State on Sunday. A new high pressure system will approach the State following the cold front.
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  • 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

    12.7 °C

  • Highest 13 September, 2026

    25.6 °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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