Finns Beach Weather Forecast

    • 10
    • 20

    Rain

    • 11
    • 18

    Shower

    • 8
    • 14

    Shower

    • 8
    • 13

    Shower

    • 7
    • 13

    Shower

    • 9
    • 16

    Shower

    • 9
    • 21

    Partly cloudy

Today 21 Dec South East

Cloudy. Very high chance of rain in the late afternoon and evening. Winds northeast to southeasterly 15 to 25 km/h tending southeast to southwesterly 20 to 30 km/h in the evening. Daytime maximum temperatures between 18 and 23.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming northeast to southeasterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots inshore in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy. 80% chance of rain.
Weather Situation
A broad low pressure system south of Tasmania will clear to the southeast this morning before a second, more intense, low pressure system is forecast to move across Bass Strait this evening and clear to the east tomorrow morning. A ridge of high pressure is expected to extend across the southern mainland, forecast to direct a westerly flow over Tasmania from tomorrow. Cold fronts embedded in the flow are expected to cross Tasmania late tomorrow and again Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Finns Beach Temperature Statistics View More

December Temperature

Cape Bruny (21km)

  • Lowest 15 December, 2025

    5.9 °C

  • Average December

    13.4 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (21km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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