Portland Bay Marina Weather Forecast

    • 13
    • 19

    Shower or two

    • 10
    • 19

    Possible shower

    • 11
    • 17

    Showers

    • 11
    • 18

    Partly cloudy

    • 10
    • 17

    Showers

    • 9
    • 16

    Partly cloudy

    • 9
    • 20

    Showers

Today 31 Oct South West

Partly cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the east in the late afternoon.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A low pressure trough over eastern Victoria will clear the State tonight. A weak high pressure system will rapidly cross Victoria on Sunday as a low pressure system crosses South Australia. The low is forecast to move over northern Victoria during Monday before clearing eastern Victoria early on Tuesday as a high pressure ridge extends across the State. A cold front is forecast to cross Victoria on Wednesday with cold southwesterly winds to follow.
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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

    14.9 °C

  • Highest 22 October, 2026

    33 °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

    17.7 °C
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