Sisters Bay Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 12
    • 21

    Sunny

    • 13
    • 21

    Possible shower

    • 10
    • 17

    Showers

    • 11
    • 19

    Shower or two

Today 19 Mar South East

Cloudy. The chance of fog early this morning. High chance of showers in the far south, slight chance elsewhere. Winds northwest to southwesterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then becoming light in the evening. Daytime maximum temperatures between 17 and 21.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
South to southwesterly 10 to 15 knots tending west to southwesterly in the early morning then becoming variable about 10 knots in the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends over Tasmania, persisting for the coming days. A weak cold front is forecast to clip the south of the state on Saturday morning, as the ridge persists over the north. The high moves into the Tasman Sea on Sunday, directing a northerly flow over Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

March Temperature

Tasman Island (31km)

  • Lowest 13 March, 2026

    7.4 °C

  • Average March

    14 °C

  • Highest 5 March, 2026

    23.9 °C

Climate (2021–Present)

Tasman Island (31km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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