Grants Lagoon Entrance Weather Forecast

    • 13
    • 23

    Partly cloudy

    • 13
    • 23

    Shower or two

    • 14
    • 26

    Partly cloudy

    • 15
    • 21

    Shower or two

    • 14
    • 24

    Shower or two

    • 14
    • 20

    Showers

    • 9
    • 17

    Partly cloudy

Today 21 Mar St Helens

Partly cloudy. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
East to northeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure over Tasmania moves into the Tasman Sea on Sunday, expected to direct a northerly flow over the state. A cold front is expected to approach the state from the west on Monday and become a slow-moving trough over the state into Tuesday, clearing to the east later. Another cold front is forecast to approach the west during Wednesday, crossing later.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grants Lagoon Entrance Temperature Statistics View More

March Temperature

St Helens Aerodrome (9km)

  • Lowest 13 March, 2026

    6.8 °C

  • Average March

    16.8 °C

  • Highest 10 March, 2026

    25.3 °C

Climate (2021–Present)

St Helens Aerodrome (9km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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