Mulcahy Bay Weather Forecast

    • 13
    • 19

    Shower

    • 9
    • 16

    Cloudy

    • 8
    • 18

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 11
    • 21

    Cloudy

    • 11
    • 21

    Cloudy

Today 30 Dec Western

Cloudy. High chance of showers, most likely this afternoon. Winds northwest to northeasterly 20 to 30 km/h tending northwest to southwesterly 15 to 25 km/h in the morning then tending south to southwesterly 20 to 30 km/h in the early afternoon. Daytime maximum temperatures between 17 and 21.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
West to northwesterly 15 to 20 knots tending west to southwesterly 15 to 25 knots in the early afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2 metres during the morning.
1st Swell
Westerly 1.5 metres, increasing to 1 to 2 metres during the afternoon.
Weather
Cloudy. 60% chance of showers.
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

Mulcahy Bay Temperature Statistics View More

December Temperature

Maatsuyker Island (74km)

  • Lowest 15 December, 2025

    5.8 °C

  • Average December

    11.4 °C

  • Highest 17 December, 2025

    18.7 °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

    14.2 °C
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