Gunnamatta Beach Weather Forecast

    • 8
    • 14

    Cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 21

    Partly cloudy

    • 12
    • 23

    Sunny

    • 13
    • 23

    Partly cloudy

    • 10
    • 15

    Shower

    • 7
    • 16

    Partly cloudy

Today 16 Sep Mornington Peninsula

Cloudy. Slight chance of a shower, most likely in the morning. Winds southerly 25 to 35 km/h decreasing to 15 to 25 km/h in the early afternoon then becoming south to southwesterly and light in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
South to southwesterly 15 to 25 knots, reaching up to 30 knots in the east early in the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres, increasing to 3 to 4 metres in the far west.
Weather
Cloudy.
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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

    12.8 °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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