Portland Offshore Weather Forecast

    • 3
    • 12

    Partly cloudy

    • 4
    • 15

    Mostly sunny

    • 5
    • 15

    Partly cloudy

    • 7
    • 14

    Showers

    • 7
    • 14

    Showers

    • 9
    • 15

    Showers

    • 9
    • 15

    Showers

Today 8 Jul South West

Areas of frost and the chance of fog in the morning. Mostly sunny afternoon. Light winds. Overnight temperatures falling to between zero and 3 with daytime temperatures reaching between 11 and 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots decreasing to about 10 knots before dawn.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

July Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 6 July, 2026

    5.4 °C

  • Average July

    11.1 °C

  • Highest 1 July, 2026

    17.4 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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