Cape Sir William Grant Weather Forecast

    • 7
    • 14

    Showers increasing

    • 7
    • 13

    Shower or two

    • 5
    • 13

    Cloudy

    • 5
    • 14

    Partly cloudy

    • 4
    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 8
    • 18

    Shower or two

Today 5 Aug South West

Partly cloudy. High chance of showers in the west, medium chance elsewhere. Winds northwesterly 25 to 35 km/h. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 20 to 25 knots, reaching up to 30 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
Westerly 3 to 4 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Weather Situation
Northerly flow over coastal waters ahead of a weakening cold front expected to reach eastern Bass Strait later Tuesday morning. Winds will shift northwesterly behind the front, before a second front due early on Wednesday causes winds to shift west to southwesterly. A high pressure ridge is expected to move in from the west from Thursday, remaining over Victoria through to the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

August Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 1 August, 2025

    5.4 °C

  • Average August

    11.2 °C

  • Highest 3 August, 2025

    16.4 °C

Climate (2020–Present)

Cape Nelson Lighthouse (7km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.7 °C
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