River Tamar - Big Bay Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 10
    • 17

    Mostly sunny

    • 11
    • 16

    Shower or two

    • 8
    • 16

    Partly cloudy

    • 12
    • 16

    Showers. Becoming windy

    • 11
    • 18

    Partly cloudy

    • 8
    • 19

    Mostly sunny

Today 4 Dec Central North

Partly cloudy. Winds northwesterly 35 to 50 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots offshore in the early afternoon. Winds turning westerly in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Westerly around 1 metre offshore.
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

River Tamar - Big Bay Temperature Statistics View More

December Temperature

Low Head (14km)

  • Lowest 1 December, 2025

    7.2 °C

  • Average December

    13.2 °C

  • Highest 1 December, 2025

    17.2 °C

Climate (2020–Present)

Low Head (14km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    13.9 °C

  • Average High 2020–2025

    17.1 °C
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