Triabunna Weather Forecast

    • 6
    • 16

    Partly cloudy

    • 9
    • 17

    Shower or two

    • 5
    • 12

    Shower or two

    • 7
    • 16

    Shower or two

    • 6
    • 13

    Shower or two

    • 5
    • 15

    Partly cloudy

    • 7
    • 17

    Partly cloudy

Today 18 Sep East Coast

Partly cloudy. Areas of frost about higher ground early this morning. Medium chance of showers, most likely this evening. Winds northwesterly 15 to 20 km/h becoming light in the early morning then becoming northwesterly 25 to 35 km/h in the morning. Daytime maximum temperatures between 11 and 16.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Westerly 10 to 15 knots turning north to northwesterly 15 to 25 knots in the morning. Winds reaching up to 30 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2.5 metres, tending southerly 1 to 2 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A westerly airstream over Tasmania tends northwesterly today, as a high pressure system over eastern Victoria moves eastwards over the northern Tasman Sea. A series of cold fronts are expected to pass over Tasmania from early Friday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Triabunna Temperature Statistics View More

September Temperature

Maria Island (Point Lesueur) (19km)

  • Lowest 5 September, 2025

    4.5 °C

  • Average September

    11.4 °C

  • Highest 15 September, 2025

    18.9 °C

Climate (2020–Present)

Maria Island (Point Lesueur) (19km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    16.8 °C
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