Swimcart Beach Weather Forecast

    • 9
    • 22

    Partly cloudy

    • 14
    • 27

    Possible storm

    • 13
    • 20

    Becoming windy. Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 7
    • 21

    Mostly sunny

    • 10
    • 26

    Sunny

    • 13
    • 23

    Becoming cloudy

Today 12 Dec St Helens

Partly cloudy. Winds northerly 15 to 25 km/h tending northeasterly 20 to 25 km/h in the middle of the day then tending northwest to northeasterly 15 to 25 km/h in the late afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northeasterly 15 to 20 knots, reaching up to 30 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres offshore.
1st Swell
Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the state will drift eastwards into the Tasman Sea. A weak cold front is expected to cross Tasmania during Saturday, ahead of a second stronger cold front to cross on Sunday. A high pressure system in the Bight is forecast to extend a ridge over western Tasmania late Monday.
Graph Plots Open in Graphs

  • 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

    15.4 °C

  • Highest 4 December, 2025

    27.3 °C

Climate (2020–Present)

St Helens Aerodrome (12km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
Get WillyWeather+ to remove ads