Portland Bay Marina Weather Forecast

    • 8
    • 16

    Partly cloudy

    • 6
    • 22

    Sunny

    • 13
    • 23

    Showers increasing

    • 11
    • 17

    Shower or two

    • 9
    • 20

    Possible shower

    • 11
    • 17

    Showers easing

    • 7
    • 12

    Showers

Today 7 Oct South West

Partly cloudy. Winds easterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures between 16 and 19.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly about 10 knots tending easterly 15 to 20 knots in the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A high pressure system slowly moves east over Tasmania today and contracts into the southern Tasman Sea by Thursday, extending a weak ridge over Victoria. A cold front moving through the Bight will reach western Victoria later Friday, crossing the State on the Saturday.
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  • 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

    12.9 °C

  • Highest 1 October, 2026

    15.8 °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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