Trefoil Island Weather Forecast

    • 14
    • 20

    Windy

    • 15
    • 20

    Shower

    • 11
    • 21

    Partly cloudy

    • 14
    • 20

    Sunny

    • 15
    • 23

    Shower

    • 14
    • 18

    Shower

    • 12
    • 19

    Cloudy

Today 18 Feb North West Coast

Partly cloudy. High chance of showers in the west, medium chance elsewhere. Winds westerly 30 to 45 km/h. Daytime maximum temperatures between 17 and 21.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 20 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 2 to 4 metres during the morning, then tending westerly 2 to 4 metres around midday.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A ridge of high pressure is expected to develop over southeastern parts of the mainland today, maintaining a westerly flow over Tasmania until the ridge moves over the state on Thursday. The ridge is forecast to move eastwards over the Tasman Sea, as a cold front approaches and crosses from the west late Friday, followed by a secondary high pressure system moving over the state on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

February Temperature

Marrawah (30km)

  • Lowest 12 February, 2026

    8.5 °C

  • Average February

    15.6 °C

  • Highest 15 February, 2026

    24.5 °C

Climate (2021–Present)

Marrawah (30km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    17.1 °C
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