Merri Island Weather Forecast

    • 11
    • 29

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 17
    • 27

    Showers increasing

    • 12
    • 20

    Partly cloudy

    • 9
    • 24

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 12
    • 25

    Partly cloudy

Today 20 Feb Warrnambool

Partly cloudy. Winds north to northeasterly 15 to 20 km/h shifting southwesterly 20 to 30 km/h in the middle of the day then becoming light in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Variable about 10 knots becoming southwesterly 15 to 20 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 4 metres, decreasing to 2.5 to 3 metres around midday.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure extends over Bass Strait towards the Tasman Sea. A weak cold front will cross Bass Strait tonight as another high approaches from the west. This high will move over the Tasman Sea on Saturday as a trough and cold front approach Victoria. The trough is forecast to cross western and central Bass Strait on Sunday as the front crosses Tasmania. The trough is expected to clear eastern waters early on Monday with the next high pressure system crossing Victoria later in the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

February Temperature

Warrnambool Airport (12km)

  • Lowest 6 February, 2026

    3.5 °C

  • Average February

    16.8 °C

  • Highest 16 February, 2026

    37.9 °C

Climate (2021–Present)

Warrnambool Airport (12km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    19.1 °C
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