Gunnamatta Beach Weather Forecast

    • 13
    • 18

    Shower

    • 9
    • 16

    Shower

    • 9
    • 16

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 21

    Sunny

    • 11
    • 23

    Sunny

Today 12 Oct Mornington Peninsula

Cloudy. High chance of showers in the morning and early afternoon. The chance of a thunderstorm early this morning. Winds northwesterly 15 to 25 km/h turning west to southwesterly 25 to 35 km/h in the morning.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
1st Swell
West to southwesterly 1.5 to 2.5 metres, increasing to 2.5 to 4 metres in the far west.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the east early this morning.
Weather Situation
A cold front over western waters will to clear to the far east of Bass Strait by late Monday afternoon. A southwesterly airstream will follow as a new high drifts eastwards across the Bight early this week. By Thursday the high will be centred to the southeast of Tasmania, directing an easterly flow over Bass Strait.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

October Temperature

Cerberus (28 km)

  • Lowest 6 October, 2026

    7.2 °C

  • Average October

    14.3 °C

  • Highest 9 October, 2026

    27 °C

Climate (2021–2026)

Cerberus (28 km)

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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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