Swimcart Lagoon Entrance Weather Forecast

    • 8
    • 16

    Shower or two

    • 5
    • 15

    Cloudy

    • 3
    • 19

    Sunny

    • 6
    • 19

    Partly cloudy

    • 13
    • 24

    Sunny

    • 12
    • 23

    Partly cloudy

    • 10
    • 16

    Partly cloudy

Today 15 Sep St Helens

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds westerly 15 to 20 km/h tending southwesterly 15 to 25 km/h in the middle of the day.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore during the day. Winds turning southwesterly in the late afternoon.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres offshore.
1st Swell
Southeast to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm. Possible small hail offshore.
Weather Situation
A southwesterly flow is expected to develop over Tasmania during today in the wake of a cold front, as a high in the Bight is forecast to extend a ridge over the state on Wednesday. Flow is expected to turn westerly Thursday as the high moves over Victoria. Strong northwesterly winds are expected on Friday ahead of an approaching trough.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

September Temperature

St Helens Aerodrome (12km)

  • Lowest 8 September, 2026

    3.5 °C

  • Average September

    12.3 °C

  • Highest 10 September, 2026

    22.2 °C

Climate (2021–2026)

St Helens Aerodrome (12km)

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

  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
Get WillyWeather+ to remove ads