Gunnamatta Beach Weather Forecast

    • 12
    • 18

    Cloudy

    • 9
    • 14

    Shower

    • 8
    • 14

    Cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 11
    • 22

    Sunny

    • 13
    • 19

    Shower

Today 14 Sep Mornington Peninsula

Partly cloudy. High chance of showers, most likely in the morning. Winds northerly 25 to 35 km/h turning westerly 15 to 20 km/h in the morning.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 10 to 15 knots turning westerly 15 to 20 knots before dawn. Winds reaching up to 25 knots in the far west in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres around midday.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
Weather
Cloudy. 70% chance of showers.
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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

    12.3 °C

  • Highest 5 September, 2026

    17.6 °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

    19.6 °C
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