Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 6
    • 18

    Sunny

    • 9
    • 24

    Partly cloudy

    • 15
    • 24

    Shower

    • 12
    • 19

    Shower

    • 11
    • 21

    Partly cloudy

Today 21 Sep Mornington Peninsula

Clear. Winds southwesterly 15 to 25 km/h turning southerly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 4 metres in the far west.
Weather
Mostly clear.
Weather Situation
A high pressure system in the Bight moves into the Tasman Sea during Tuesday, directing a warm east to northeasterly airstream over Victoria during the second half of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 18 September, 2026

    2.4 °C

  • Average September

    13.3 °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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