Grant Bay Weather Forecast

    • 10
    • 17

    Shower or two

    • 10
    • 17

    Rain

    • 6
    • 14

    Showers

    • 9
    • 16

    Showers easing

    • 10
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 11
    • 17

    Shower or two

Today 5 May South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds westerly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds tending west to northwesterly 15 to 20 knots during the afternoon and evening.
Seas
1.5 to 2.5 metres, decreasing to 1 metre around midday.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A low pressure system will weaken as it moves through Bass Strait early this morning. A ridge of high pressure extends over northern Victoria during Tuesday ahead of a cold front approaching from the Bight. This front is forecast to cross Bass Strait between late Wednesday and early Thursday. A low pressure system may form in the Tasman Sea near the eastern Victorian coast during Thursday, before moving away to the east early Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grant Bay Temperature Statistics View More

May Temperature

Cape Nelson Lighthouse (8km)

  • Lowest 3 May, 2026

    12.2 °C

  • Average May

    17.7 °C

  • Highest 1 May, 2026

    28.1 °C

Climate (2021–Present)

Cape Nelson Lighthouse (8km)

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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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