Gunnamatta Beach Weather Forecast

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Today 22 Jul Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds northwesterly 25 to 35 km/h tending westerly in the early afternoon.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots in the far east in the late morning and afternoon. Winds turning westerly in the late morning.
Seas
1.5 to 2.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Weather
Cloudy. 95% chance of showers, with possible small hail at night.
Weather Situation
A weak cold is moving across southern Victoria and Bass Strait today. A high pressure system in the Bight will extend a ridge east over Victoria and Bass Strait on Thursday behind the front. A firm ridge will then persist over Bass Strait from Friday and across the weekend directing a westerly flow.
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  • 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 °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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