Sisters Bay Weather Forecast

    • 7
    • 11

    Possible shower

    • 5
    • 11

    Shower or two

    • 4
    • 11

    Shower or two

    • 5
    • 11

    Shower or two

    • 5
    • 11

    Partly cloudy

    • 5
    • 13

    Mostly sunny

    • 8
    • 12

    Showers

Today 3 Aug South East

Partly cloudy. Medium chance of showers, becoming less likely later this evening with possible small hail in the far south. Snow possible above 1000 metres. Light winds becoming west to northwesterly 15 to 20 km/h in the late evening.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore in the late afternoon. Winds turning west to northwesterly below 10 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
South to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A broad area of low pressure over Tasmania will move slowly to the east during Tuesday. A ridge of high pressure will develop over Tasmania on Wednesday, ahead of a weak cold front expected to cross the state on Thursday. The ridge of high pressure will redevelop over Tasmania on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

August Temperature

Tasman Island (31km)

  • Lowest 2 August, 2026

    7.6 °C

  • Average August

    10.2 °C

  • Highest 1 August, 2026

    13.7 °C

Climate (2021–2026)

Tasman Island (31km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.6 °C
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