Portland Bay Marina Weather Forecast

    • 14
    • 25

    Possible storm

    • 17
    • 24

    Morning storm. Shower or two

    • 18
    • 25

    Rain

    • 17
    • 20

    Showers easing

    • 14
    • 18

    Cloudy

    • 14
    • 20

    Cloudy

    • 11
    • 21

    Partly cloudy

Today 27 Feb South West

Partly cloudy. Medium chance of showers, most likely in the afternoon and early evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Winds northeasterly 15 to 20 km/h turning easterly in the late afternoon. Daytime maximum temperatures around 30.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres in the east.
1st Swell
Southwesterly 2 metres, decreasing to 1.5 metres during the afternoon.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
A high pressure system east of Tasmania will remain over the southern Tasman Sea today and through to Saturday as a trough deepens over western Victoria and moves west into SA. Northerly flow over Victoria continues on Sunday ahead of a change early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

February Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 6 February, 2026

    11 °C

  • Average February

    17.4 °C

  • Highest 16 February, 2026

    36.4 °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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