Swimcart Beach Weather Forecast

    • 13
    • 18

    Shower or two

    • 14
    • 27

    Early shower or two

    • 12
    • 23

    Showers increasing

    • 13
    • 23

    Partly cloudy

    • 12
    • 20

    Possible shower

    • 11
    • 21

    Mostly sunny

    • 9
    • 20

    Cloudy

Today 19 Dec St Helens

Cloudy. Medium chance of showers, most likely in the evening. Winds southeasterly 15 to 20 km/h tending easterly 15 to 25 km/h in the middle of the day then tending northeasterly 15 to 20 km/h in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds turning northeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
1st Swell
East to northeasterly around 1 metre.
Weather
Cloudy. 50% chance of showers. The chance of a thunderstorm offshore in the early afternoon.
Weather Situation
A weak ridge is persisting to the south before a broad area of low pressure is forecast to approach from the west late today, moving over the state on Saturday. A second, more intense, low pressure system is then forecast to move over eastern Tasmania late Sunday. The low is expected to clear to the east during Monday morning, with a westerly flow to develop behind it.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Beach Temperature Statistics View More

December Temperature

St Helens Aerodrome (12km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    15.9 °C

  • Highest 17 December, 2025

    29.5 °C

Climate (2020–Present)

St Helens Aerodrome (12km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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