Swimcart Lagoon Entrance Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 13
    • 25

    Mostly sunny

    • 12
    • 22

    Partly cloudy

    • 13
    • 23

    Shower or two

    • 11
    • 19

    Showers easing

    • 10
    • 19

    Possible shower

    • 9
    • 19

    Shower or two

Today 30 Apr St Helens

Partly cloudy. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore during the morning.
Seas
Around 1 metre.
1st Swell
Northeasterly around 1 metre.
Weather
Mostly sunny.
Weather Situation
A near-stationary high-pressure system persists over the Tasman Sea. As a result warm north to northeasterly flow will continue into the weekend. A a slow-moving low pressure system and cold front build over the Bight and are expected to move over Tasmania early next week.
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

    14.2 °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

    13.4 °C

  • Average High 2021–2026

    18.2 °C
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