Swimcart Lagoon Entrance Weather Forecast

    • 15
    • 25

    Mostly clear

    • 13
    • 19

    Showers increasing

    • 10
    • 17

    Shower or two. Becoming windy

    • 9
    • 20

    Partly cloudy

    • 10
    • 21

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 23

    Mostly sunny

Today 25 Mar St Helens

Mostly clear. Winds northwesterly 20 to 25 km/h.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwesterly 15 to 20 knots turning westerly in the evening.
Seas
1 to 1.5 metres.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly clear. The chance of a thunderstorm offshore.
Weather Situation
A trough crosses the state ahead of a cold front approaching the west and crossing early tomorrow morning. A fresh southerly flow is expected behind the front, persisting into Friday. A ridge of high pressure will then extend over the state from the west during the weekend, with southwesterly flow easing.
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

    17 °C

  • Highest 23 March, 2026

    28.4 °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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