Swimcart Lagoon Entrance Weather Forecast

    • 5
    • 15

    Partly cloudy

    • 8
    • 16

    Showers easing

    • 4
    • 17

    Mostly sunny

    • 6
    • 17

    Partly cloudy

    • 6
    • 14

    Cloudy

    • 7
    • 14

    Possible shower

    • 6
    • 15

    Shower or two

Today 11 Aug St Helens

Partly cloudy. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front is approaching Tasmania from the west, directing a northwesterly flow over the state. The cold front is expected to cross Tasmania early Wednesday. A high pressure system over the mainland is forecast to direct a westerly flow over Tasmania on Thursday and persist into Friday. The high then moves over Tasmania on Saturday, bringing settled conditions.
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 1 August, 2026

    3 °C

  • Average August

    9 °C

  • Highest 6 August, 2026

    16.3 °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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