Big Trumpeter Bay Weather Forecast

    • 6
    • 11

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Cloudy

    • 6
    • 18

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 11
    • 20

    Shower

    • 9
    • 12

    Shower

Today 9 Sep South East

Cloudy. Very high chance of showers in the south, medium chance elsewhere. Snow falling above 800 metres. Winds west to southwesterly 30 to 45 km/h decreasing to 25 to 35 km/h in the late evening. Daytime maximum temperatures between 8 and 13.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 25 to 30 knots, reaching up to 35 knots during the afternoon and evening.
Seas
3 to 4 metres.
1st Swell
Southwesterly 6 to 7 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A ridge of high pressure will slowly approach Tasmania from the west on Thursday, with a southwesterly stream over the state to ease during the day. The high pressure centre will move over Victoria on Friday, with high centre expected to lie over the northern Tasman Sea by early Saturday and then remain near stationary during Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Trumpeter Bay Temperature Statistics View More

September Temperature

Cape Bruny (26km)

  • Lowest 7 September, 2026

    6.7 °C

  • Average September

    11.2 °C

  • Highest 1 September, 2026

    18.3 °C

Climate (2021–2026)

Cape Bruny (26km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.5 °C
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