Merri Island Weather Forecast

    • 13
    • 25

    Showers increasing

    • 10
    • 16

    Showers. Windy

    • 8
    • 15

    Showers. Becoming windy

    • 10
    • 16

    Showers

    • 11
    • 18

    Shower or two

    • 10
    • 20

    Possible shower

    • 10
    • 19

    Shower or two

Today 9 Apr Warrnambool

Partly cloudy. Very high chance of showers, most likely this evening. Winds northerly 20 to 30 km/h turning west to northwesterly 25 to 35 km/h in the late morning.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northwesterly 15 to 25 knots turning westerly in the afternoon. Winds reaching up to 30 knots in the afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres by early evening.
Weather
Partly cloudy. Near 100% chance of showers.
Weather Situation
A high pressure system over eastern Victoria will move into the Tasman Sea today. Northwesterly winds will strengthen ahead of a trough and cold front which are expected to move over Victoria later in the day. The front and trough will then clear to the east on Friday. A colder west to southwesterly airstream develops over Victoria and persists into the weekend as another high pressure system moves into the Bight before moving over Victoria on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

April Temperature

Warrnambool Airport (12km)

  • Lowest 5 April, 2026

    3 °C

  • Average April

    14.4 °C

  • Highest 6 April, 2026

    25 °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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