Swimcart Lagoon Entrance Weather Forecast

    • 4
    • 13

    Partly cloudy

    • 5
    • 15

    Morning fog then mostly sunny

    • 4
    • 15

    Shower or two

    • 7
    • 13

    Shower or two

    • 7
    • 15

    Showers

    • 5
    • 13

    Shower or two

    • 4
    • 14

    Partly cloudy

Today 9 Jul St Helens

Partly cloudy. The chance of fog. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northwesterly about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system slowly moves away to the east, extending a ridge over Tasmania. A northwesterly airstream will develop over the state on Friday, as a series of cold fronts slowly approach from the west. The first front is forecast to cross Tasmania late Saturday, with a fresh westerly flow to follow on Sunday, before a second cold front is expected on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

July Temperature

St Helens Aerodrome (12km)

  • Lowest 5 July, 2026

    4.2 °C

  • Average July

    9.7 °C

  • Highest 1 July, 2026

    16.7 °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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