Gunnamatta Beach Weather Forecast

    • 8
    • 17

    Shower

    • 12
    • 17

    Rain

    • 10
    • 16

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 9
    • 14

    Cloudy

    • 7
    • 16

    Cloudy

Today 4 Sep Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely in the evening. Winds northwesterly 20 to 30 km/h turning northerly in the late afternoon then increasing to 25 to 40 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
West to northwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds turning northerly 15 to 20 knots in the late afternoon.
Seas
1.5 to 2.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres in the west.
Weather
Partly cloudy. 90% 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 1 September, 2026

    4.9 °C

  • Average September

    13.3 °C

  • Highest 2 September, 2026

    16 °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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