Port Phillip Offshore Weather Forecast

    • 15
    • 16

    Cloudy

    • 14
    • 15

    Shower

    • 14
    • 16

    Shower

    • 14
    • 15

    Shower

    • 14
    • 16

    Shower

    • 14
    • 15

    Windy

    • 14
    • 15

    Cloudy

Today 20 Dec Central

Partly cloudy. Medium chance of showers in the east, slight chance elsewhere. The chance of a thunderstorm about the ranges in the morning and early afternoon. Winds west to southwesterly 15 to 25 km/h turning south to southeasterly in the afternoon. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching 21 to 27.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the west early in the morning. Winds turning southwesterly in the early afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres in the far west.
Weather
Cloudy. The chance of a thunderstorm in the far east in the early morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Phillip Offshore Temperature Statistics View More

December Temperature

Avalon Airport (42km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    17.2 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (42km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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