Grassy Bay Weather Forecast

    • 10
    • 17

    Clear

    • 7
    • 22

    Shower or two

    • 9
    • 15

    Shower or two. Windy

    • 8
    • 16

    Partly cloudy

    • 9
    • 21

    Showers increasing. Windy

    • 10
    • 17

    Shower or two

    • 9
    • 15

    Shower or two

Today 15 Oct King Island

Partly cloudy. Slight chance of a shower in the early afternoon. Winds westerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures around 17.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 15 to 20 knots, reaching up to 25 knots inshore in the early afternoon. Winds turning north to northwesterly below 10 knots in the evening.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 4 to 5 metres south of King Island.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over Victoria maintains a westerly flow over Tasmania. The high is forecast to move east over the Tasman Sea by late Wednesday shifting the flow northwesterly. Strengthening northwesterly flow is expected during Thursday ahead of an approaching cold front, forecast to cross the state from the west later in the day. Another cold front is expected to pass over Tasmania during Friday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Bay Temperature Statistics View More

October Temperature

King Island Airport (25km)

  • Lowest 13 October, 2025

    5.9 °C
  • Average October

    12.3 °C
  • Highest 4 October, 2025

    20.2 °C

Climate (2020–Present)

King Island Airport (25km)

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  • Average Low 2020–2025

    10.1 °C
  • Average 2020–2025

    13.6 °C
  • Average High 2020–2025

    17.5 °C
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