Grants Lagoon Entrance Weather Forecast

    • 7
    • 16

    Showers

    • 9
    • 19

    Possible shower

    • 9
    • 17

    Possible shower

    • 10
    • 20

    Partly cloudy

    • 8
    • 18

    Becoming cloudy

    • 6
    • 18

    Possible shower

    • 8
    • 16

    Cloudy

Today 15 Nov St Helens

Partly cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late morning and early afternoon. Winds shifting west to southwesterly in the late afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Weather
Partly cloudy. 60% chance of showers in the afternoon. The chance of a thunderstorm in the afternoon and early evening.
Weather Situation
A ridge of high pressure over Tasmania will move into the Tasman Sea this morning before a low pressure system over the southern mainland will move near Tasmania later today. A series of cold fronts are expected to follow through to early to mid next week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grants Lagoon Entrance Temperature Statistics View More

November Temperature

St Helens Aerodrome (9km)

  • Lowest 12 November, 2025

    5.4 °C
  • Average November

    13 °C
  • Highest 10 November, 2025

    21.3 °C

Climate (2020–Present)

St Helens Aerodrome (9km)

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  • Average Low 2020–2025

    9.3 °C
  • Average 2020–2025

    13.3 °C
  • Average High 2020–2025

    18.2 °C
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