Cape Sir William Grant Weather Forecast

    • 6
    • 15

    Clear

    • 6
    • 20

    Mostly sunny

    • 11
    • 19

    Showers

    • 11
    • 16

    Showers increasing

    • 9
    • 13

    Shower or two

    • 8
    • 13

    Cloudy

    • 7
    • 15

    Partly cloudy

Today 11 Sep South West

Clear. Light winds.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly about 10 knots increasing to 10 to 15 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 metres.
Weather
Clear.
Weather Situation
A strong high pressure system sits over eastern Victoria. The high will move over the Tasman Sea on Saturday, with winds tending warmer northerly. A low pressure trough will move across western and central Victoria later on Sunday, with a weak cold front then forecast to approach southwestern Victoria on Monday. The front will cross late Monday into early Tuesday and a high pressure ridge will push into western Victoria in its wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

September Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 8 September, 2026

    3.5 °C

  • Average September

    12.3 °C

  • Highest 1 September, 2026

    19.3 °C

Climate (2021–2026)

Cape Nelson Lighthouse (7km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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