Big Lagoon Beach Weather Forecast

    • 14
    • 22

    Partly cloudy

    • 8
    • 17

    Cloudy

    • 8
    • 19

    Cloudy

    • 8
    • 21

    Cloudy

    • 10
    • 23

    Possible shower developing

    • 11
    • 20

    Cloudy

    • 10
    • 21

    Partly cloudy

Today 30 Dec South East

Cloudy. Medium chance of showers, becoming less likely at night. Winds northwest to southwesterly 15 to 25 km/h tending southeast to southwesterly in the middle of the day then tending west to southwesterly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures 20 to 25.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front will clear in the east during Tuesday evening before a ridge of high pressure will begin to develop from the west on Wednesday. This ridge will persist over the coming days until a trough develops west of Bass Strait late Friday. This trough will extend over the northwest early Saturday and is expected to cross Tasmania by the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Lagoon Beach Temperature Statistics View More

December Temperature

Cape Bruny (14km)

  • Lowest 25 December, 2025

    5.7 °C

  • Average December

    13 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (14km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
Get WillyWeather+ to remove ads