Trefoil Island Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 10
    • 17

    Partly cloudy

    • 12
    • 18

    Windy

    • 12
    • 16

    Windy

    • 11
    • 15

    Windy

    • 10
    • 13

    Windy

    • 10
    • 15

    Cloudy

Today 10 Dec North West Coast

Mostly clear. Winds southwesterly 15 to 20 km/h.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots east of King Island.
Seas
Around 1 metre, increasing to 1 to 1.5 metres east of King Island.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure centre slowly approaches the west of Tasmania today, as a weak trough brushes the far south. The high is expected to move over the state on Thursday and continue moving eastwards to be over the Tasman Sea by Friday. A cold front is then forecast to cross the state during Saturday.
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

    12.8 °C

  • Highest 4 December, 2025

    18.2 °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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