Portland Bay Marina Weather Forecast

    • 11
    • 20

    Mostly sunny

    • 11
    • 23

    Sunny

    • 13
    • 35

    Sunny

    • 16
    • 21

    Partly cloudy

    • 15
    • 26

    Shower or two

    • 14
    • 18

    Possible shower

    • 12
    • 18

    Partly cloudy

Today 5 Jan South West

Sunny. Winds southerly 20 to 30 km/h. Daytime maximum temperatures 22 to 28.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred south of SA extends a ridge over Victoria and will progress eastwards during today and on Tuesday. A broad trough will move across from the west on Wednesday and Thursday.
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 1 January, 2026

    12.5 °C

  • Average January

    15.2 °C

  • Highest 2 January, 2026

    17.7 °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

    17.5 °C
Get WillyWeather+ to remove ads