Gunnamatta Beach Weather Forecast

    • 6
    • 13

    Shower

    • 8
    • 13

    Shower

    • 6
    • 13

    Shower

    • 4
    • 15

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 8
    • 15

    Shower

    • 7
    • 14

    Shower

Today 29 Jul Mornington Peninsula

Partly cloudy. High chance of showers. Winds southwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the late evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the east during the afternoon and evening.
Seas
2 to 3 metres.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres in the west.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A large high pressure system situated in the Bight will develop a ridge over Victoria later on Wednesday. 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 Victoria. This ridge will begin to weaken as a cold front approaches the western border late on Sunday.
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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

    10.3 °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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