Cape Sir William Grant Weather Forecast

    • 8
    • 17

    Cloudy

    • 10
    • 18

    Shower or two

    • 9
    • 17

    Shower or two

    • 11
    • 18

    Showers increasing

    • 12
    • 18

    Showers easing

    • 10
    • 17

    Shower or two

    • 11
    • 17

    Showers

Today 23 May South West

Partly cloudy. Winds northeasterly 15 to 20 km/h becoming light in the early morning then becoming northeasterly 15 to 20 km/h in the morning. Daytime maximum temperatures between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure over the State, extending from the Tasman Sea, will weaken over the weekend as low pressure system develops west of Bass Strait. This low is expected to move inland across southeastern SA on Monday before slowly moving over southern NSW on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

May Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 7 May, 2026

    6.7 °C

  • Average May

    14.6 °C

  • Highest 1 May, 2026

    28.1 °C

Climate (2021–Present)

Cape Nelson Lighthouse (7km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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