Gunnamatta Beach Weather Forecast

    • 10
    • 16

    Shower

    • 8
    • 15

    Shower

    • 9
    • 15

    Shower

    • 7
    • 16

    Partly cloudy

    • 10
    • 17

    Shower

    • 9
    • 15

    Shower

    • 8
    • 14

    Shower

Today 20 Aug Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely in the late afternoon and evening. Winds northwesterly 15 to 25 km/h becoming light in the early afternoon then becoming northwesterly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots in the far west early in the morning.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
West to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy. 90% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

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Gunnamatta Beach Temperature Statistics View More

August Temperature

Cerberus (28km)

  • Lowest 2 August, 2026

    2.3 °C
  • Average August

    10.8 °C
  • Highest 2 August, 2026

    17.4 °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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