Big Lagoon Beach Weather Forecast

    • 12
    • 20

    Possible shower

    • 11
    • 19

    Cloudy

    • 11
    • 20

    Cloudy

    • 12
    • 21

    Cloudy

    • 13
    • 23

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 12
    • 23

    Mostly sunny

Today 15 Jan South East

Cloudy. Medium chance of showers, most likely this morning. Winds east to northeasterly 15 to 20 km/h becoming light in the early morning then becoming easterly 20 to 30 km/h in the morning. Daytime maximum temperatures between 16 and 20.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Easterly 10 to 15 knots, reaching up to 20 knots inshore in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough over eastern Bass Strait will contract northwards today, while a high pressure systems begins to move well to the west of Tasmania. This high will extend a persistent ridge across the state as it moves south of Tasmania on Friday then into the southern Tasman Sea on the weekend.
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 11 January, 2026

    7.2 °C

  • Average January

    15 °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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