Portland Bay Marina Weather Forecast

    • 12
    • 18

    Cloudy

    • 13
    • 19

    Cloudy

    • 13
    • 19

    Cloudy

    • 14
    • 19

    Shower or two. Becoming windy

    • 15
    • 20

    Becoming windy. Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 14
    • 24

    Mostly sunny

Today 12 Jan South West

Mostly clear. The chance of smoke haze in the east. Winds southerly 25 to 35 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
South to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres.
Weather
Cloudy.
Weather Situation
A broad low pressure trough lies over northern Victoria, expected to linger over northern parts and extend over Gippsland in coming days, as a high pressure system lies to the south over Tasmania. By early Thursday this trough will begin to develop into a broad low pressure system over the east of the state before moving offshore the NSW coast on Friday. A south to southeasterly airstream with strengthen over the state as a result of this low and a high pressure system moving to the south of Tasmania on Friday.
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 6 January, 2026

    11.4 °C

  • Average January

    16.8 °C

  • Highest 7 January, 2026

    32.6 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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