Big Lagoon Beach Weather Forecast

    • 6
    • 25

    Showers increasing. Windy

    • 4
    • 13

    Showers

    • 6
    • 16

    Possible shower

    • 4
    • 17

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 10
    • 20

    Showers

    • 9
    • 14

    Showers

Today 20 Sep South East

Mostly sunny. High chance of showers in the south, medium chance elsewhere. Snow falling above 1000 metres. Possible small hail in the far south at night. Damaging winds possible from early afternoon. Winds north to northwesterly 15 to 25 km/h increasing to 25 to 40 km/h before dawn then tending west to northwesterly 40 to 60 km/h in the late morning and afternoon. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching 22 to 27.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northerly 15 to 25 knots, reaching up to 40 knots during the afternoon and evening. Winds turning westerly 25 to 30 knots in the early afternoon.
Seas
1 to 2 metres, increasing to 3 to 5 metres around midday.
1st Swell
Southwesterly 3 to 5 metres, tending westerly 4 to 6 metres by early evening.
Weather
Mostly sunny. 70% chance of showers, with possible small hail at night.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Lagoon Beach Temperature Statistics View More

September Temperature

Cape Bruny (14km)

  • Lowest 16 September, 2026

    4.5 °C

  • Average September

    11.3 °C

  • Highest 14 September, 2026

    18.9 °C

Climate (2021–2026)

Cape Bruny (14km)

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

  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.6 °C
Get WillyWeather+ to remove ads