Portland Bay Marina Weather Forecast

    • 12
    • 18

    Cloudy

    • 12
    • 18

    Cloudy

    • 13
    • 19

    Cloudy

    • 14
    • 19

    Possible shower

    • 14
    • 19

    Possible shower

    • 14
    • 20

    Partly cloudy

    • 14
    • 21

    Sunny

Today 11 Jan South West

Partly cloudy. The chance of smoke haze. Winds southerly 20 to 30 km/h turning southeasterly 25 to 35 km/h in the evening. Daytime maximum temperatures between 19 and 22.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 10 to 15 knots turning southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge will develop across the state from today until a broad low pressure trough develops in the far north. This trough will linger over northern and central parts early next week until it shifts to the eastern coasts on Wednesday with an embedded low pressure system developing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

January Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 6 January, 2026

    11.4 °C

  • Average January

    17 °C

  • Highest 7 January, 2026

    32.6 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
Get WillyWeather+ to remove ads