Portland Offshore Weather Forecast

    • 9
    • 15

    Shower or two

    • 10
    • 15

    Showers increasing

    • 6
    • 14

    Shower or two

    • 9
    • 16

    Possible shower

    • 8
    • 17

    Partly cloudy

    • 9
    • 19

    Shower or two

    • 11
    • 18

    Shower or two

Today 9 Nov South West

Cloudy. Medium chance of showers, becoming less likely this afternoon. Winds southwesterly 20 to 30 km/h turning westerly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 20 knots turning westerly in the middle of the day.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A cooler southerly flow across the state as a ridge of high pressure extends from the west. A cold front is expected to move across the state on Monday as a high pressure system moves to a position south of the Bight by Tuesday and over NSW on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

November Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 6 November, 2025

    9.1 °C

  • Average November

    13.5 °C

  • Highest 2 November, 2025

    27.1 °C

Climate (2020–Present)

Cape Nelson Lighthouse (9km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.6 °C
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