Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 8
    • 15

    Cloudy

    • 8
    • 20

    Shower

    • 9
    • 16

    Shower

    • 10
    • 16

    Shower

    • 9
    • 17

    Shower

Today 29 Aug Mornington Peninsula

Partly cloudy. Winds southwesterly 15 to 20 km/h becoming light in the evening then becoming southwesterly 15 to 20 km/h in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the far east in the late afternoon. Winds turning southwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres in the far east.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Weather
Cloudy.
Weather Situation
A high pressure system in the Bight extends a ridge over Victoria during the weekend. The high moves across the State and into the Tasman Sea on Monday. A cold front approaches from the west and crosses Victoria later Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

August Temperature

Cerberus (28km)

  • Lowest 2 August, 2026

    2.3 °C

  • Average August

    11.1 °C

  • Highest 24 August, 2026

    18 °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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