Big Lagoon Beach Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 10
    • 22

    Shower or two

    • 13
    • 18

    Showers

    • 8
    • 18

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 18

    Shower or two

    • 9
    • 17

    Possible shower

Today 8 Jan South East

Partly cloudy. Winds northwest to southwesterly 20 to 30 km/h tending northeast to southeasterly in the evening. Daytime maximum temperatures between 19 and 26.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the Tasman Sea will continue to extend a ridge over Tasmania, whilst a trough lingers off the northeast coast before moving eastwards on Friday. A cold front is expected to cross the state early Saturday, followed by another trough in the evening. A high pressure system will move to a position over waters south of the Bight on Sunday and will extend a ridge over Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Lagoon Beach Temperature Statistics View More

January Temperature

Cape Bruny (14km)

  • Lowest 1 January, 2026

    10.9 °C

  • Average January

    15.4 °C

  • Highest 5 January, 2026

    23.2 °C

Climate (2021–Present)

Cape Bruny (14km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.5 °C
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