Trefoil Island Weather Forecast

    • 14
    • 17

    Shower

    • 14
    • 18

    Partly cloudy

    • 14
    • 19

    Partly cloudy

    • 14
    • 19

    Shower

    • 13
    • 17

    Shower

    • 11
    • 16

    Partly cloudy

    • 11
    • 17

    Cloudy

Today 22 Apr North West Coast

Cloudy. High chance of showers, most likely late this afternoon and evening. Winds east to northeasterly 25 to 40 km/h. Daytime maximum temperatures between 15 and 19.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northeasterly 15 to 25 knots, reaching up to 30 knots south of King Island during the morning and early afternoon. Winds shifting west to southwesterly 10 to 15 knots during the afternoon and evening then tending south to southwesterly in the late evening.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the afternoon, then decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of King Island.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high over the Southern Tasman Sea extends a ridge over the state. A weak cold front is approaches Tasmania this morning crossing the state late today and early Thursday ahead of another high that will move over Tasmania and into the Tasman Sea on Thursday. A northwesterly airstream will prevail on Friday, ahead of cold front expected to move over Tasmania over the weekend.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

April Temperature

Marrawah (30km)

  • Lowest 19 April, 2026

    5 °C
  • Average April

    12.9 °C
  • Highest 1 April, 2026

    19.8 °C

Climate (2021–Present)

Marrawah (30km)

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  • Average Low 2021–2026

    9.8 °C
  • Average 2021–2026

    12.6 °C
  • Average High 2021–2026

    17.1 °C
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