Gunnamatta Beach Weather Forecast

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    Shower

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    • 13

    Shower

    • 7
    • 13

    Shower

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    • 14

    Shower

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    Cloudy

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    • 15

    Partly cloudy

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    Shower

Today 28 Jul Mornington Peninsula

Cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds northerly 40 to 60 km/h tending northwesterly 35 to 55 km/h in the early afternoon then decreasing to 30 to 45 km/h in the late afternoon.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
West to northwesterly 25 to 30 knots, reaching up to 35 knots in the far west in the late evening.
Seas
2 to 3 metres, increasing to 2.5 to 4 metres in the east.
1st Swell
Southwesterly 2 to 3 metres, tending westerly 2 to 4 metres by early evening.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the late afternoon and evening. Possible small hail in the late afternoon and evening.
Weather Situation
A cold front over Victoria on Tuesday will bring a colder southwesterly airstream. A weakening low pressure system will move across Bass Strait early Wednesday in the wake of Tuesday's front then a high pressure ridge will move across from the west on Thursday and Friday. The ridge will move eastwards on Saturday.
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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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