Grants Lagoon Entrance Weather Forecast

    • 4
    • 18

    Mostly sunny

    • 6
    • 19

    Partly cloudy

    • 10
    • 18

    Cloudy

    • 12
    • 20

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 23

    Partly cloudy

    • 13
    • 25

    Possible shower

Today 19 Apr St Helens

Mostly sunny. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Southerly 10 to 15 knots becoming variable about 10 knots in the morning.
Seas
Around 1 metre, decreasing below 0.5 metres during the afternoon.
1st Swell
Southerly 2.5 to 3 metres, tending southeasterly 2.5 to 3 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will move to the east of the state today. The high is expected to remain over the Southern Tasman Sea through Monday and Tuesday and extend a ridge to extend over Tasmania, with a weak cold front to approach the west of the state late Wednesday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grants Lagoon Entrance Temperature Statistics View More

April Temperature

St Helens Aerodrome (9km)

  • Lowest 14 April, 2026

    4.9 °C
  • Average April

    13.8 °C
  • Highest 1 April, 2026

    26 °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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