Sisters Bay Weather Forecast

    • 6
    • 13

    Possible shower

    • 8
    • 12

    Shower or two

    • 8
    • 12

    Shower or two

    • 7
    • 11

    Showers

    • 6
    • 12

    Possible shower

    • 7
    • 12

    Shower or two

    • 5
    • 11

    Partly cloudy

Today 9 Aug South East

Cloudy. Medium chance of showers. Winds north to northeasterly 15 to 20 km/h.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A low deepens over southeastern South Australia today and is forecast to move over western Bass Strait Monday morning. The low moves further east to be off the northeast coast of Tasmania in the evening. A weak ridge is expected to cross over the state during Tuesday before a cold front arrives during Wednesday morning. A high is forecast to move over the mainland directing a westerly flow over Tasmania on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

August Temperature

Tasman Island (31km)

  • Lowest 5 August, 2026

    6.5 °C

  • Average August

    9.7 °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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