Swimcart Lagoon Entrance Weather Forecast

    • 10
    • 20

    Clear

    • 10
    • 21

    Sunny

    • 11
    • 23

    Cloud clearing

    • 11
    • 25

    Mostly sunny

    • 14
    • 25

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 14
    • 25

    Shower or two

Today 17 Oct St Helens

Clear. Winds northerly 20 to 30 km/h becoming light in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southeasterly around 1 metre.
Weather
Clear.
Weather Situation
A ridge extends over Tasmania, as a high pressure system over the Tasman Sea continues to slowly drift eastwards over the weekend. A northwesterly flow is forecast to develop over the state on Monday, as a cold front approaches from the west. The front weakens into a trough as it moves over Tasmania on Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

October Temperature

St Helens Aerodrome (12 km)

  • Lowest 15 October, 2026

    5.5 °C

  • Average October

    13.2 °C

  • Highest 1 October, 2026

    22.4 °C

Climate (2021–2026)

St Helens Aerodrome (12 km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.4 °C
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