Gunnamatta Beach Weather Forecast

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Today 16 Jun Mornington Peninsula

Cloudy. Very high chance of showers, becoming less likely at night. Winds northerly 30 to 45 km/h decreasing to 15 to 25 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 15 to 20 knots, reaching up to 25 knots offshore in the late morning and early afternoon.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Weather
Cloudy. 90% chance of rain.
Weather Situation
A high pressure system over the Tasman Sea is directing a warm northerly airstream across Victoria as a low pressure system develops over the Bight. The low will move slowly south throughout today and Wednesday before a front associated with the low crosses Victoria on Thursday. The low will move to the southeast of Tasmania on Friday with winds tending cooler westerly across Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

June Temperature

Cerberus (28km)

  • Lowest 9 June, 2026

    2.7 °C

  • Average June

    12.2 °C

  • Highest 12 June, 2026

    19.7 °C

Climate (2021–Present)

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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