Seal Lagoon Creek Entrance Weather Forecast

    • 9
    • 23

    Partly cloudy

    • 14
    • 27

    Possible storm

    • 11
    • 20

    Becoming windy. Partly cloudy

    • 7
    • 22

    Partly cloudy

    • 5
    • 23

    Mostly sunny

    • 9
    • 24

    Sunny

    • 10
    • 26

    Becoming cloudy

Today 12 Dec St Helens

Partly cloudy. Light winds becoming northwest to northeasterly 15 to 25 km/h in the morning.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northeasterly 15 to 20 knots, reaching up to 30 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
1st Swell
Northeast to southeasterly below 0.5 metres, tending northeasterly 1 to 1.5 metres during the morning.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the state will drift eastwards into the Tasman Sea. A weak cold front is expected to cross Tasmania during Saturday, ahead of a second stronger cold front to cross on Sunday. A high pressure system in the Bight is forecast to extend a ridge over western Tasmania late Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Lagoon Creek Entrance Temperature Statistics View More

December Temperature

St Helens Aerodrome (23km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    15.4 °C

  • Highest 4 December, 2025

    27.3 °C

Climate (2020–Present)

St Helens Aerodrome (23km)

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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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