Portland Bay Marina Weather Forecast

    • 11
    • 23

    Mostly sunny

    • 12
    • 21

    Partly cloudy

    • 14
    • 22

    Possible shower

    • 14
    • 22

    Showers

    • 12
    • 15

    Shower or two

    • 10
    • 15

    Possible shower

    • 11
    • 17

    Cloudy

Today 22 Mar South West

The chance of fog in the southeast in the early morning. The chance of smoke haze in the morning. Mostly sunny afternoon. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then tending southeast to southwesterly in the evening. Overnight temperatures falling to around 11 with daytime temperatures reaching around 30.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the early morning.
Seas
Around 1 metre, decreasing below 0.5 metres during the morning, then increasing to below 1 metre around midday.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

March Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 10 March, 2026

    11.3 °C

  • Average March

    16.8 °C

  • Highest 1 March, 2026

    23.3 °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