Mulcahy Bay Weather Forecast

    • 4
    • 18

    Partly cloudy

    • 10
    • 17

    Shower

    • 8
    • 13

    Shower

    • 5
    • 14

    Cloudy

    • 5
    • 16

    Shower

    • 10
    • 16

    Shower

    • 7
    • 12

    Shower

Today 21 Aug Western

Mostly sunny. The chance of fog early this morning. Areas of morning frost. Slight chance of a shower north of Strahan, near zero chance elsewhere. Winds northeasterly 25 to 35 km/h. Daytime maximum temperatures between 13 and 18.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Northerly 10 to 15 knots, reaching up to 25 knots offshore in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
1st Swell
Westerly 2.5 to 3 metres.
Weather
Mostly clear.
Weather Situation
A northerly flow strengthens over Tasmania this evening, ahead of an approaching trough expected to cross Tasmania on Friday, quickly followed by a weak cold front to cross the state Saturday morning. A high pressure system is then forecast to move over Tasmania on Saturday evening and Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mulcahy Bay Temperature Statistics View More

August Temperature

Maatsuyker Island (74km)

  • Lowest 17 August, 2025

    4.1 °C

  • Average August

    9.8 °C

  • Highest 14 August, 2025

    15 °C

Climate (2020–Present)

Maatsuyker Island (74km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.3 °C
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