Swimcart Lagoon Entrance Weather Forecast

    • 11
    • 21

    Partly cloudy

    • 12
    • 24

    Cloud clearing

    • 12
    • 23

    Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 13
    • 21

    Showers

    • 14
    • 23

    Shower or two

Today 19 Mar St Helens

Partly cloudy. Light winds becoming easterly 15 to 20 km/h in the late afternoon then becoming light in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the late afternoon then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends over Tasmania, persisting for the coming days. A weak cold front is forecast to clip the south of the state on Saturday morning, as the ridge persists over the north. The high moves into the Tasman Sea on Sunday, directing a northerly flow over Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

March Temperature

St Helens Aerodrome (12km)

  • Lowest 13 March, 2026

    6.8 °C

  • Average March

    16.8 °C

  • Highest 10 March, 2026

    25.3 °C

Climate (2021–Present)

St Helens Aerodrome (12km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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