River Tamar - Bonnie Beach Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 12
    • 25

    Partly cloudy

    • 14
    • 25

    Shower or two

    • 14
    • 22

    Shower or two

Today 30 Dec Central North

Cloudy. The chance of fog in the early morning. Medium chance of showers, most likely in the late afternoon and evening. Winds north to northwesterly 20 to 30 km/h shifting south to southeasterly in the evening. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching the low to mid 20s.

Central North Coastal Waters

Stanley to Flinders Island
Wind
East to northeasterly 15 to 20 knots shifting west to southwesterly in the late afternoon. Winds reaching up to 25 knots offshore in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Northeasterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough will sweep across the state today, lingering over north eastern waters into Wednesday morning. A new ridge of high pressure will develop from the west over Tasmania late Wednesday and will persist across the state into Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Bonnie Beach Temperature Statistics View More

December Temperature

Low Head (19km)

  • Lowest 26 December, 2025

    5.6 °C

  • Average December

    14.5 °C

  • Highest 18 December, 2025

    22.5 °C

Climate (2020–Present)

Low Head (19km)

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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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