Sisters Bay Weather Forecast

    • 13
    • 21

    Shower or two

    • 10
    • 19

    Shower or two

    • 6
    • 14

    Partly cloudy

    • 6
    • 13

    Showers increasing

    • 7
    • 13

    Showers

    • 8
    • 14

    Partly cloudy

    • 8
    • 15

    Shower or two

Today 30 Sep South East

Cloudy. Medium chance of showers. Winds northwest to southwesterly 20 to 30 km/h tending northwesterly in the evening then tending northwest to southwesterly in the late evening.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
Northwesterly flow persists over the state as a broad trough is forecast to cross the state during the day Thursday, followed by a weak cold front in the evening. A ridge of high pressure is then expected to approach Tasmania from the west during Friday, concurrently with a trough deepening over Victoria. The trough is forecast to move near the east of Tasmania on Saturday, before moving away to the southeast on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

September Temperature

Tasman Island (31km)

  • Lowest 16 September, 2026

    3.4 °C

  • Average September

    10.5 °C

  • Highest 20 September, 2026

    24.5 °C

Climate (2021–2026)

Tasman Island (31km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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