Portland Offshore Weather Forecast

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Cloudy

    • 6
    • 22

    Sunny

    • 13
    • 23

    Showers increasing

    • 11
    • 17

    Shower or two

    • 9
    • 20

    Possible shower

    • 11
    • 17

    Showers easing

Today 6 Oct South West

Cloudy. Winds southerly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 10 to 15 knots, reaching up to 20 knots in the far east.
Seas
Around 1 metre, increasing to 1.5 metres in the far east.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system deepens over the Bight tonight following a cold front that crossed Bass Strait today. The high moves southeastward, drifting over the southern Tasman Sea by Thursday where it will continue to extend 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 Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    12.5 °C

  • Highest 1 October, 2026

    15.8 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9 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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