Mulcahy Bay Weather Forecast

    • 10
    • 16

    Rain

    • 9
    • 15

    Shower

    • 8
    • 17

    Shower

    • 9
    • 18

    Cloudy

    • 7
    • 22

    Partly cloudy

    • 10
    • 19

    Shower

    • 9
    • 15

    Shower

Today 8 Dec Western

Cloudy. Very high chance of rain, becoming less likely late this afternoon and evening. Winds northwesterly 35 to 50 km/h decreasing to 25 to 40 km/h in the late afternoon. Daytime maximum temperatures between 13 and 16.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
West to northwesterly 20 to 30 knots, reaching up to 40 knots during the morning.
Seas
3 to 4 metres, decreasing to 2 to 3 metres around midday.
1st Swell
Westerly 4 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A northwesterly flow over Tasmania ahead of a cold front crossing the state during the day. Westerly flow behind the cold front then persists on Tuesday, with a trough of low pressure embedded in the westerly flow moving over the state. A high pressure system south of the Bight then extends a ridge over Bass Strait, with another cold front clipping the south later Wednesday. The high moves eastwards to be centred east of Tasmania later Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mulcahy Bay Temperature Statistics View More

December Temperature

Maatsuyker Island (74km)

  • Lowest 7 December, 2025

    6 °C

  • Average December

    10.9 °C

  • Highest 4 December, 2025

    14.4 °C

Climate (2020–Present)

Maatsuyker Island (74km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.3 °C
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