Swimcart Lagoon Entrance Weather Forecast

    • 6
    • 17

    Mostly clear

    • 7
    • 18

    Shower or two

    • 7
    • 16

    Partly cloudy

    • 11
    • 16

    Showers

    • 7
    • 16

    Shower or two

    • 9
    • 16

    Showers

    • 5
    • 16

    Possible shower

Today 31 Aug St Helens

Mostly clear. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 15 to 20 knots, reaching up to 25 knots offshore in the late evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres near Eddystone Point.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system over eastern Victoria will move into the Tasman Sea this evening. A cold front will approach Victoria from the west on Tuesday and cross the state Tuesday evening and Wednesday morning. A second cold front embedded in a westerly flow will clip the south of Victoria on Thursday morning, with a high pressure system to build to the north of the state in the evening. This high is expected to move over the Tasman Sea on Friday morning, with a strong cold front to approach the west of Victoria on Friday evening.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swimcart Lagoon Entrance Temperature Statistics View More

August Temperature

St Helens Aerodrome (12km)

  • Lowest 23 August, 2026

    2.5 °C
  • Average August

    10.9 °C
  • Highest 29 August, 2026

    19.4 °C

Climate (2021–2026)

St Helens Aerodrome (12km)

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  • Average Low 2021–2026

    9.4 °C
  • Average 2021–2026

    13.4 °C
  • Average High 2021–2026

    18.3 °C
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