Gunnamatta Beach Weather Forecast

    • 8
    • 13

    Shower

    • 6
    • 13

    Shower

    • 3
    • 15

    Partly cloudy

    • 7
    • 16

    Sunny

    • 7
    • 14

    Shower

    • 7
    • 14

    Shower

    • 8
    • 14

    Shower

Today 30 Jul Mornington Peninsula

Partly cloudy. Medium chance of showers. Winds westerly 15 to 20 km/h becoming light in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 10 to 15 knots, reaching up to 20 knots in the far east during the afternoon and evening. Winds turning southwesterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far east.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A large high pressure system situated over SA extends a ridge over Victoria. The high pressure centre will slowly cross the north on Friday before moving into the Tasman Sea on the weekend, continuing to extend a ridge over the state. This ridge will begin to weaken as a cold front approaches the western border late on Sunday, crossing the state on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

July Temperature

Cerberus (28km)

  • Lowest 19 July, 2026

    1.3 °C

  • Average July

    10.3 °C

  • Highest 1 July, 2026

    17.9 °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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