Gunnamatta Beach Weather Forecast

    • 16
    • 26

    Clear

    • 15
    • 24

    Shower

    • 13
    • 20

    Partly cloudy

    • 13
    • 26

    Sunny

    • 15
    • 35

    Partly cloudy

    • 17
    • 25

    Partly cloudy

    • 15
    • 28

    Partly cloudy

Today 20 Jan Mornington Peninsula

Clear. Winds southeasterly 25 to 35 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
East to southeasterly 15 to 20 knots, reaching up to 25 knots in the east during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly below 1 metre, increasing to 1 to 1.5 metres in the far west.
Weather
Clear.
Weather Situation
A low pressure trough over western districts will move slowly northeastwards today. A high pressure system moves into waters south of the Bight and extends a ridge over western Victoria and more broadly over the state on Thursday. The high then moves into the Tasman Sea on Friday, followed by a trough of low pressure over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

January Temperature

Cerberus (28km)

  • Lowest 2 January, 2026

    8.5 °C

  • Average January

    19 °C

  • Highest 9 January, 2026

    42.3 °C

Climate (2021–Present)

Cerberus (28km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.5 °C
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