Portland Bay Marina Weather Forecast

    • 8
    • 17

    Cloudy

    • 10
    • 18

    Shower or two

    • 9
    • 17

    Shower or two

    • 11
    • 18

    Showers increasing

    • 12
    • 18

    Showers easing

    • 10
    • 17

    Shower or two

    • 11
    • 17

    Showers

Today 23 May South West

Partly cloudy. Winds northeasterly 15 to 20 km/h becoming light in the early morning then becoming northeasterly 15 to 20 km/h in the morning. Overnight temperatures falling to around 7 with daytime temperatures reaching between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 2 metres during the afternoon.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

May Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 7 May, 2026

    6.7 °C

  • Average May

    14.6 °C

  • Highest 1 May, 2026

    28.1 °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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