Grassy Island Weather Forecast

    • 7
    • 15

    Showers easing. Windy

    • 7
    • 16

    Showers. Becoming windy

    • 10
    • 15

    Showers. Windy

    • 6
    • 12

    Showers increasing

    • 6
    • 14

    Showers

    • 8
    • 14

    Showers

    • 8
    • 14

    Showers

Today 11 Jul King Island

Partly cloudy. High chance of showers, becoming less likely this afternoon. Winds west to southwesterly 30 to 45 km/h. Daytime maximum temperatures around 15.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 25 to 30 knots turning southwesterly 20 to 30 knots in the middle of the day then decreasing to 15 to 25 knots in the evening.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres later in the evening.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 4 metres south of King Island.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
Tasmania sits in a westerly flow with an embedded cold front approaching, forecast to brush the west and south of the state during today. A high pressure system over mainland Australia is expected to extend a ridge over Tasmania early tomorrow. A northwesterly stream is forecast to develop on Saturday afternoon, ahead of a stronger cold front to cross the state Sunday afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Island Temperature Statistics View More

July Temperature

King Island Airport (26km)

  • Lowest 1 July, 2025

    0.6 °C

  • Average July

    9.9 °C

  • Highest 6 July, 2025

    16.7 °C

Climate (2020–Present)

King Island Airport (26km)

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  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    17.5 °C
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