Trefoil Island Weather Forecast

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 9
    • 14

    Windy

    • 9
    • 13

    Cloudy

    • 9
    • 14

    Windy

    • 8
    • 13

    Partly cloudy

    • 6
    • 14

    Partly cloudy

Today 2 Oct North West Coast

Partly cloudy. Slight chance of a shower in the west in the late morning and afternoon. Near zero chance of rain elsewhere. Winds south to southeasterly 15 to 25 km/h turning east to northeasterly in the late morning then tending southeast to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 17.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
South to southeasterly 15 to 20 knots, reaching 20 to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will develop over Tasmania from the west during Friday, behind a weak cold front which has passed into the Tasman Sea. At the same time a trough and associated low pressure system is deepening over Victoria. The trough is forecast to move near the east of Tasmania on Saturday, before moving away to the southeast on Sunday. Another weaker high pressure ridge is forecast to move over from the west early Monday ahead of an approaching cold front.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

October Temperature

Marrawah (30km)

  • Lowest 1 October, 2026

    12.7 °C

  • Average October

    13.2 °C

  • Highest

    –

Climate (2021–2026)

Marrawah (30km)

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  • Average Low 2021–2026

    9.9 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    16.8 °C
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