Fossil Island Weather Forecast

    • 11
    • 18

    Cloudy

    • 13
    • 23

    Possible morning shower

    • 10
    • 21

    Showers increasing

    • 11
    • 19

    Showers easing

    • 10
    • 17

    Shower or two

    • 10
    • 16

    Showers. Windy

    • 9
    • 16

    Shower or two. Windy

Today 19 Dec South East

Cloudy. Winds northeasterly 25 to 35 km/h.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northeasterly 20 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy.
Weather Situation
A broad low pressure system lies to the west of Tasmania and is forecast to deepen and slowly move south east over Tasmania during Saturday and clear the State to the south on Sunday. A second, more intense, low pressure system is then forecast to move across Bass Strait Sunday and clear to the east Monday morning. A ridge of high pressure then extends across Tasmania and persists Monday and Tuesday to direct a westerly flow.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fossil Island Temperature Statistics View More

December Temperature

Tasman Island (23km)

  • Lowest 7 December, 2025

    5.4 °C

  • Average December

    12.4 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (23km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
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