Portland Offshore Weather Forecast

    • 8
    • 15

    Showers

    • 9
    • 15

    Shower or two

    • 11
    • 17

    Showers

    • 9
    • 16

    Shower or two

    • 8
    • 15

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 8
    • 17

    Partly cloudy

Today 16 Nov South West

Cloudy. Very high chance of showers, most likely during this afternoon and early evening. The chance of a thunderstorm this afternoon. Winds northwesterly 15 to 20 km/h turning westerly 25 to 35 km/h during the morning. Daytime maximum temperatures between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots turning westerly 20 to 25 knots during the morning. Winds reaching up to 30 knots in the far west in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 1 to 1.5 metres, tending westerly 1.5 to 2 metres by early evening.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm inshore this afternoon.
Weather Situation
A cold front approaches and crosses from the west during Sunday with a series of troughs and cold fronts embedded in a southwesterly flow to cross the south into mid next week.
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 11 November, 2025

    7.5 °C

  • Average November

    13 °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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