Trefoil Island Weather Forecast

    • 10
    • 15

    Partly cloudy

    • 12
    • 15

    Shower

    • 9
    • 14

    Shower

    • 11
    • 16

    Shower

    • 11
    • 15

    Partly cloudy

    • 10
    • 15

    Partly cloudy

    • 11
    • 16

    Partly cloudy

Today 5 Dec North West Coast

Partly cloudy. Winds southwesterly 15 to 20 km/h turning west to northwesterly 15 to 25 km/h during the morning. Daytime maximum temperatures between 17 and 20.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
West to southwesterly 10 to 15 knots becoming west to northwesterly about 10 knots in the morning then increasing to 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots south of King Island in the late evening.
Seas
Around 1 metre, decreasing below 0.5 metres during the morning, then increasing to below 1 metre around midday.
1st Swell
Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island.
Weather
Partly cloudy.
Weather Situation
A weak ridge of high pressure passes over the state during today, before another cold front is forecast to cross on Saturday. A westerly flow is then expected to develop over Tasmania on Sunday, persisting on Monday with an embedded cold front to cross during the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

December Temperature

Marrawah (30km)

  • Lowest 1 December, 2025

    7.3 °C

  • Average December

    13.1 °C

  • Highest 3 December, 2025

    17.5 °C

Climate (2020–Present)

Marrawah (30km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    12.6 °C

  • Average High 2020–2025

    17 °C
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