Gunnamatta Beach Weather Forecast

    • 8
    • 15

    Rain

    • 6
    • 15

    Shower

    • 9
    • 16

    Shower

    • 8
    • 15

    Shower

    • 8
    • 16

    Cloudy

    • 9
    • 16

    Cloudy

    • 7
    • 14

    Partly cloudy

Today 11 Jul Mornington Peninsula

Partly cloudy. Very high chance of rain, most likely in the late afternoon and evening. Winds northerly 35 to 50 km/h turning northwesterly 30 to 45 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northerly 20 to 30 knots turning west to northwesterly in the evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres offshore.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
Weather
Partly cloudy. Near 100% chance of showers.
Weather Situation
A high pressure system over the Tasman Sea continues moving eastward as a cold front in the Bight approaches the west, forecast to enter western Victoria on Saturday afternoon, reaching central districts at night before clearing eastern Victoria early on Sunday. A cool westerly airstream will then follow on Sunday with embedded cold fronts to cross southern Victoria at times on Sunday and Monday evening. The westerly airstream weakens on Tuesday with a high pressure system moving over the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

July Temperature

Cerberus (28km)

  • Lowest 7 July, 2026

    1.5 °C

  • Average July

    9.1 °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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