Fossil Island Weather Forecast

    • 11
    • 18

    Windy. Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 21

    Sunny

    • 12
    • 21

    Shower or two

    • 10
    • 18

    Showers

    • 8
    • 16

    Shower or two. Becoming windy

Today 9 Dec South East

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. Snow possible above 1000 metres. Possible small hail in the far south in the morning and early afternoon. Winds westerly 35 to 55 km/h. Daytime maximum temperatures between 12 and 19.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots during the day.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 1 to 2 metres, increasing to 2 to 3 metres during the morning, then increasing to 2 to 4 metres during the afternoon.
Weather
Mostly sunny.
Weather Situation
A westerly stream following the passage of a cold front overnight will persist throughout Tuesday with a high to build over the Bight and extend a ridge to the north of Tasmania. The high centre will slowly approach Tasmania on Wednesday, with the high expected to move over Tasmania on Thursday and slowly away to the east of the state during Friday.
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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

    12.2 °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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