Grant Bay Weather Forecast

    • 10
    • 14

    Shower or two

    • 7
    • 15

    Showers increasing

    • 7
    • 14

    Showers easing

    • 9
    • 15

    Showers easing

    • 9
    • 15

    Shower or two

    • 7
    • 14

    Possible shower

    • 7
    • 14

    Partly cloudy

Today 10 Aug South West

Cloudy. Very high chance of showers near the Otways, medium chance elsewhere. Winds southwesterly 20 to 30 km/h turning westerly 15 to 20 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the east in the late afternoon.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres in the west.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A low pressure system centred northeast of Tasmania extends a trough northwestwards over Victoria. The low and trough will move eastwards overnight. A ridge of high pressure will extend over Victoria from a high pressure system over Queensland on Tuesday but this ridge will move eastwards later in the day as a cold front approaches from the west. This cold front will move across Victoria during Wednesday then a high pressure system is expected to build over the Bight later in the week and extend a ridge across Victoria.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grant Bay Temperature Statistics View More

August Temperature

Cape Nelson Lighthouse (8km)

  • Lowest 1 August, 2026

    5.6 °C
  • Average August

    10.9 °C
  • Highest 2 August, 2026

    15.7 °C

Climate (2021–2026)

Cape Nelson Lighthouse (8km)

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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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