Grassy Bay Weather Forecast

    • 13
    • 16

    Shower or two

    • 9
    • 16

    Partly cloudy

    • 9
    • 16

    Showers easing

    • 11
    • 16

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 9
    • 17

    Shower or two

Today 17 May King Island

Cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds westerly 15 to 20 km/h turning south to southwesterly during the afternoon and evening. Daytime maximum temperatures around 16.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northwest to northeasterly 10 to 15 knots tending south to southwesterly in the middle of the day.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 2 metres, increasing to 2.5 to 3 metres south of King Island.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
Weather Situation
A slow moving high pressure system near New Zealand is directing a mild north to northeasterly airstream over Tasmania. A trough is expected to slowly move eastwards across Tasmania during today and Monday. A weak cold front is then forecast to approach the west during Monday, and cross over the state on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Bay Temperature Statistics View More

May Temperature

King Island Airport (25km)

  • Lowest 7 May, 2026

    6.9 °C

  • Average May

    14.7 °C

  • Highest 1 May, 2026

    26.4 °C

Climate (2021–Present)

King Island Airport (25km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    17.6 °C
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