Swimcart Lagoon Entrance Weather Forecast

    • 10
    • 15

    Rain increasing

    • 4
    • 12

    Possible shower

    • 4
    • 13

    Partly cloudy

    • 3
    • 15

    Mostly sunny

    • 4
    • 15

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 6
    • 15

    Shower or two

Today 28 Jul St Helens

Partly cloudy. Very high chance of rain, most likely during this afternoon and evening. Winds north to northwesterly 25 to 35 km/h.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwesterly 20 to 30 knots, reaching up to 35 knots inshore in the late afternoon. Winds tending westerly 25 to 30 knots in the late evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southerly below 1 metre.
Weather
Becoming cloudy. 95% chance of showers.
Weather Situation
A cold front is crossing Tasmania today, followed by a weaker trough later today with a cold southwesterly airstream to follow. The airstream will then tend more westerly during Thursday and Friday as a large high pressure centre establishes near the South Australian coast.
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 24 July, 2026

    1.3 °C

  • Average July

    9.9 °C

  • Highest 19 July, 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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