Swimcart Lagoon Entrance Weather Forecast

    • 9
    • 17

    Cloudy

    • 8
    • 15

    Showers easing

    • 5
    • 16

    Partly cloudy

    • 3
    • 17

    Mostly sunny

    • 7
    • 17

    Possible shower

    • 4
    • 18

    Sunny

    • 5
    • 18

    Sunny

Today 24 Aug St Helens

Cloudy. Winds northwesterly 15 to 25 km/h becoming light in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwesterly 15 to 20 knots.
Seas
1 to 2 metres, decreasing below 1.5 metres later in the evening.
1st Swell
Southerly around 1 metre.
Weather
Cloudy.
Weather Situation
A high pressure system lies well to the east of Tasmania, with a weak cold front forecast move to the south of the state today. A low pressure system over Victoria on Tuesday morning is expected to broaden and move south over Tasmania during the day, before moving away to the east on Wednesday morning. A high pressure system over South Australia is expected to extend a ridge over Tasmania later Wednesday, before moving to north of the state on Thursday. A cold front is expected to approach the southwest late Thursday, crossing during Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

August Temperature

St Helens Aerodrome (12km)

  • Lowest 23 August, 2026

    2.5 °C

  • Average August

    10.5 °C

  • Highest 13 August, 2026

    19.2 °C

Climate (2021–2026)

St Helens Aerodrome (12km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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