Gunnamatta Beach Weather Forecast

    • 7
    • 21

    Partly cloudy

    • 13
    • 22

    Sunny

    • 13
    • 24

    Shower

    • 10
    • 15

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

Today 18 Sep Mornington Peninsula

Mostly sunny. Winds northwesterly 15 to 25 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Mostly sunny.
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.
Graph Plots Open in Graphs

  • 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

    12.6 °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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