Portland Bay Marina Weather Forecast

    • 11
    • 18

    Shower or two

    • 10
    • 23

    Showers increasing

    • 10
    • 15

    Shower or two

    • 9
    • 14

    Shower or two

    • 8
    • 13

    Cloudy

    • 7
    • 15

    Partly cloudy

    • 9
    • 18

    Partly cloudy

Today 10 Oct South West

Partly cloudy. Medium chance of showers. Winds northwesterly 25 to 35 km/h becoming light in the late evening. Daytime maximum temperatures around 19.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds decreasing to 10 to 15 knots in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
West to southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres in the far west around midday.
Weather
Partly cloudy.
Weather Situation
A cold front continues east, clearing the State this morning into the Tasman Sea. A ridge of high pressure drifts over Victoria today and Sunday before another cold front crosses on Monday leaving a cool southwesterly airstream in its wake, which is expected to persist until mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (11 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    13.8 °C

  • Highest 8 October, 2026

    25.1 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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