Mercury Passage Weather Forecast

    • 9
    • 17

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 14
    • 27

    Sunny

    • 12
    • 19

    Partly cloudy

    • 11
    • 21

    Shower or two

    • 9
    • 18

    Partly cloudy

    • 12
    • 21

    Shower or two

Today 2 Dec East Coast

Partly cloudy. Patches of frost and the chance of fog about higher ground early this morning. Slight chance of a shower. Light winds becoming west to southwesterly 15 to 20 km/h in the morning then tending west to northwesterly in the late afternoon. Daytime maximum temperatures between 14 and 18.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Southwesterly 10 to 15 knots shifting north to northeasterly in the late afternoon then tending north to northwesterly in the evening. Winds reaching up to 20 knots offshore early in the morning and again in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
South to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Weather
Partly cloudy.
Weather Situation
A high pressure system over South Australia extends ridge over Tasmania. As the high pressure system moves east to be in the Tasman Sea, a northwesterly flow will strengthen over the state on Wednesday. A cold front which will cross Tasmania on Thursday, with a westerly flow developing and persisting on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mercury Passage Temperature Statistics View More

December Temperature

Maria Island (Point Lesueur) (5km)

  • Lowest 1 December, 2025

    7.9 °C

  • Average December

    10.6 °C

  • Highest

    –

Climate (2020–Present)

Maria Island (Point Lesueur) (5km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    16.8 °C
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