Swan Island Weather Forecast

    • 14
    • 21

    Windy

    • 12
    • 17

    Windy

    • 12
    • 18

    Shower

    • 10
    • 16

    Windy

    • 12
    • 18

    Shower

    • 13
    • 18

    Windy

    • 10
    • 18

    Sunny

Today 4 Dec North East

Mostly sunny. Damaging winds possible. Winds northwesterly 30 to 45 km/h turning westerly 25 to 40 km/h in the evening. Daytime maximum temperatures 21 to 26.

Banks Strait and Franklin

Wind
Northwesterly 15 to 20 knots, reaching up to 30 knots about Banks Strait in the early afternoon. Winds tending westerly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres about Banks Strait around midday.
1st Swell
Northeast to southeasterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state, strengthening ahead of a weak cold front to cross Tasmania today. A weak ridge passes over the state on Friday, before another cold front is forecast to cross the state on Saturday. A westerly flow is then expected to develop over Tasmania on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

December Temperature

Swan Island (1km)

  • Lowest 2 December, 2025

    8.3 °C

  • Average December

    13.2 °C

  • Highest 2 December, 2025

    17.7 °C

Climate (2020–Present)

Swan Island (1km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    17.5 °C
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