Alonnah Boat Ramp Weather Forecast

    • 11
    • 20

    Rain

    • 10
    • 20

    Showers

    • 8
    • 17

    Shower or two. Becoming windy

    • 9
    • 15

    Showers. Windy

    • 8
    • 15

    Showers. Windy

    • 9
    • 17

    Shower or two

    • 9
    • 19

    Partly cloudy

Today 21 Dec South East

Cloudy. Very high chance of rain, most likely later this evening. Winds northeast to southeasterly 15 to 25 km/h tending southeast to southwesterly 20 to 30 km/h in the evening.

Channel

Wind
Southeasterly 10 to 15 knots turning south to southwesterly 15 to 20 knots in the evening.
Seas
Below 1 metre.
Weather
Cloudy. 90% chance of rain.
Weather Situation
A low pressure system over the southern mainland is expected to deepen and move to the east coast of Tasmania, before progressing further into the Tasman Sea by early Monday. A ridge of high pressure is expected to extend across the mainland during Monday to direct a westerly flow over Tasmania from Monday to Wednesday. Cold fronts embedded in this flow are expected to cross Tasmania late Monday and again Wednesday. This slow moving high pressure system then moves south of the Bight on Thursday to direct a more southerly flow over the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alonnah Boat Ramp Temperature Statistics View More

December Temperature

Dover (19km)

  • Lowest 1 December, 2025

    4.2 °C

  • Average December

    12.7 °C

  • Highest 17 December, 2025

    26.9 °C

Climate (2020–Present)

Dover (19km)

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  • Average Low 2020–2025

    6.9 °C

  • Average 2020–2025

    10 °C

  • Average High 2020–2025

    16.9 °C
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