Big Lagoon Entrance Weather Forecast

    • 13
    • 20

    Possible shower

    • 12
    • 23

    Shower or two

    • 9
    • 19

    Becoming cloudy

    • 10
    • 23

    Mostly sunny

    • 14
    • 27

    Partly cloudy

    • 16
    • 23

    Partly cloudy

    • 14
    • 21

    Shower or two

Today 31 Dec St Helens

Partly cloudy. Medium chance of showers, most likely during the morning and afternoon. Light winds becoming northeast to southeasterly 15 to 20 km/h in the morning then tending northwest to northeasterly in the late afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
West to southwesterly 10 to 15 knots tending south to southeasterly in the early afternoon then becoming northerly about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A cool west to southwesterly stream is expected to persist before tending northwesterly early Wednesday as another cold front approaches and crosses the state later in the day. A west to southwesterly stream follows the front, prevailing during Thursday as a high pressure system over the Bight extends a ridge to the north of Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Lagoon Entrance Temperature Statistics View More

December Temperature

St Helens Aerodrome (17km)

  • Lowest 23 December, 2024

    9.5 °C

  • Average December

    16.9 °C

  • Highest 13 December, 2024

    25.8 °C

Climate (2019–Present)

St Helens Aerodrome (17km)

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  • Average Low 2019–2024

    9.3 °C

  • Average 2019–2024

    13.2 °C

  • Average High 2019–2024

    18.1 °C
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