Swimcart Lagoon Entrance Weather Forecast

    • 13
    • 23

    Possible shower

    • 10
    • 15

    Showers

    • 4
    • 15

    Sunny

    • 3
    • 17

    Sunny

    • 4
    • 20

    Partly cloudy

    • 11
    • 21

    Shower or two

    • 11
    • 23

    Shower or two

Today 25 Sep St Helens

Partly cloudy. Medium chance of showers. Winds northwesterly 15 to 25 km/h tending westerly 15 to 20 km/h in the evening then becoming light in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northwesterly 10 to 15 knots tending west to northwesterly 15 to 20 knots early in the morning. Winds reaching up to 25 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy. The chance of morning fog offshore with reduced visibility.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

September Temperature

St Helens Aerodrome (12km)

  • Lowest 22 September, 2026

    1.7 °C

  • Average September

    12.2 °C

  • Highest 20 September, 2026

    23.6 °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

    18.4 °C
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