Big River Entrance Weather Forecast

    • 11
    • 18

    Clear

    • 9
    • 18

    Mostly sunny

    • 10
    • 20

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 11
    • 22

    Sunny

    • 14
    • 23

    Mostly sunny

    • 13
    • 20

    Showers

Today 25 Dec Furneaux Islands

Partly cloudy. Slight chance of a shower. Winds southwesterly 30 to 45 km/h decreasing to 15 to 20 km/h in the late evening.

Banks Strait and Franklin

Wind
West to southwesterly 15 to 25 knots tending southeast to southwesterly 15 to 20 knots in the evening then becoming southwesterly about 10 knots in the late evening.
Seas
1 to 2 metres.
1st Swell
Southerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight slowly builds a ridge over Tasmania during Thursday and Friday. The high will then move to the south of Tasmania on Saturday before entering the Tasman Sea on Sunday. By late Monday a trough will begin to develop off the western coasts.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big River Entrance Temperature Statistics View More

December Temperature

Flinders Island Airport (20km)

  • Lowest 11 December, 2025

    5.7 °C

  • Average December

    15.5 °C

  • Highest 4 December, 2025

    29 °C

Climate (2020–Present)

Flinders Island Airport (20km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    18.3 °C
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