Swimcart Lagoon Entrance Weather Forecast

    • 10
    • 17

    Clear

    • 8
    • 16

    Partly cloudy

    • 4
    • 19

    Sunny

    • 6
    • 16

    Partly cloudy

    • 5
    • 21

    Sunny

    • 5
    • 20

    Sunny

    • 5
    • 19

    Partly cloudy

Today 6 Sep St Helens

Clear. Winds northeasterly 15 to 20 km/h turning northwesterly in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Variable about 10 knots becoming west to northwesterly 15 to 20 knots in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres near Eddystone Point later in the evening.
1st Swell
Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres later in the evening.
Weather
Mostly clear.
Weather Situation
A west to southwesterly flow builds over Tasmania this evening and is expected to persist this week. A series of cold fronts embedded in the westerly flow are forecast to cross the state on Monday and late Tuesday, before a ridge of high pressure approaches from the west on Thursday.
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 4 September, 2026

    6.1 °C
  • Average September

    12.5 °C
  • Highest 1 September, 2026

    17.3 °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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