Gunnamatta Beach Weather Forecast

    • 7
    • 15

    Shower

    • 8
    • 13

    Rain

    • 7
    • 13

    Rain

    • 8
    • 14

    Shower

    • 8
    • 14

    Shower

    • 8
    • 15

    Shower

    • 8
    • 15

    Shower

Today 8 Aug Mornington Peninsula

Cloudy. Medium chance of showers, most likely later this evening. Winds northerly 25 to 35 km/h increasing to 40 km/h before turning northeasterly 25 to 35 km/h in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the late evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres in the west.
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 to the northeast of Victoria will move away over the Tasman Sea overnight, with a vigorous cold front to move over South Australia and a low to develop near Adelaide on Sunday. The low and an associated front will move over Victoria on Monday morning and away towards Tasmania around the middle of the day, with a trough trough to cross the during the day. A narrow ridge is expected to build over Victoria on Tuesday, ahead of another cold front to cross the state early Wednesday.
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

    10.2 °C

  • Highest 2 August, 2026

    17.4 °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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