Swimcart Lagoon Entrance Weather Forecast

    • 9
    • 16

    Clear

    • 6
    • 15

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 10
    • 22

    Mostly sunny

    • 10
    • 23

    Mostly sunny

Today 13 Oct St Helens

Clear. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 15 to 20 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds turning southwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres offshore.
1st Swell
Southeast to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly clear.
Weather Situation
West to southwesterly winds ease today and Wednesday as a high pressure centre slowly approaches the west from the Bight. The high is expected to move over the state Thursday, before moving away to the east, over the Tasman Sea, on Friday. It is forecast to remain slow moving in central parts of the Tasman Sea, maintaining a weak ridge over Tasmania, on Saturday.
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 7 October, 2026

    5.7 °C

  • Average October

    13.7 °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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