Swimcart Lagoon Entrance Weather Forecast

    • 11
    • 22

    Sunny

    • 9
    • 21

    Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 12
    • 22

    Partly cloudy

    • 13
    • 23

    Mostly sunny

    • 11
    • 23

    Possible shower

    • 11
    • 22

    Shower or two

Today 27 Apr St Helens

Sunny. Light winds becoming northwesterly 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
Westerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
South to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A near-stationary high-pressure system over the Tasman Sea extends a ridge across Tasmania, directing a mostly west to northwesterly flow over the State until the end of the week. A weak cold front moves away into the Tasman as a ridge becomes reestablished across Tasmania today. Northwesterly winds freshening on Tuesday ahead of another approaching cold front that is expected to again clip southern Tasmania late Tuesday and early Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

April Temperature

St Helens Aerodrome (12km)

  • Lowest 19 April, 2026

    4.3 °C

  • Average April

    14 °C

  • Highest 1 April, 2026

    26 °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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