Swimcart Lagoon Entrance Weather Forecast

    • 6
    • 21

    Sunny

    • 6
    • 18

    Mostly sunny

    • 7
    • 18

    Showers increasing

    • 7
    • 16

    Possible shower

    • 10
    • 17

    Shower or two

    • 7
    • 17

    Showers

    • 8
    • 16

    Shower or two

Today 30 Aug St Helens

Sunny. Light winds becoming northwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 30 knots decreasing to 15 to 25 knots in the early morning then increasing to 20 to 30 knots in the early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly sunny.
Weather Situation
A high pressure ridge extending across the north will persist into the new week with the high pressure centre drifting into the Tasman Sea late Monday. A strong cold front is expected to approach from the west, crossing Tasmania on Tuesday, followed by strong westerly flow.
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

    10.8 °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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