Cape Sir William Grant Weather Forecast

    • 9
    • 23

    Cloud clearing

    • 15
    • 23

    Cloudy

    • 12
    • 24

    Mostly sunny

    • 14
    • 25

    Partly cloudy

    • 15
    • 25

    Possible shower

    • 12
    • 19

    Cloudy

    • 10
    • 18

    Partly cloudy

Today 21 Apr South West

Patchy morning fog. The chance of smoke haze in the north this morning. Sunny afternoon. Winds north to northeasterly 15 to 25 km/h. Daytime maximum temperatures in the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots in the east in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres in the east by early evening.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloud clearing.
Weather Situation
A ridge of high pressure will continue to persist over Victoria in the coming days. A weak trough is expected to cross the southwest and pass through Bass Strait on Wednesday, briefly interrupting the ridge before a new high pressure system develops to the southwest. This high will pass through Bass Straight and move into the Tasman but will continue to extend a ridge over Victoria into Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 19 April, 2026

    9.2 °C

  • Average April

    14.8 °C

  • Highest 19 April, 2026

    23 °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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