Southport Lagoon Entrance Weather Forecast

    • 11
    • 21

    Drizzle at times

    • 10
    • 17

    Drizzle at times

    • 11
    • 22

    Shower or two clearing

    • 10
    • 20

    Showers developing

    • 10
    • 17

    Shower or two

    • 8
    • 15

    Showers

    • 8
    • 15

    Showers

Today 18 Dec South East

Cloudy. Medium chance of drizzle. Winds southeasterly 20 to 30 km/h.

Channel

Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A trough clears the northeast of Tasmania this evening, as weak ridge moves to the south, persisting during Friday. A broad area of low pressure is forecast to approach from the west late Friday, moving over the state on Saturday. A second, more intense, low pressure system is then forecast to move over eastern Tasmania late Sunday. The low is expected to clear to the east during Monday morning, with a westerly flow to develop behind it.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southport Lagoon Entrance Temperature Statistics View More

December Temperature

Cape Bruny (13km)

  • Lowest 15 December, 2025

    5.9 °C

  • Average December

    13.1 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (13km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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