Sisters Bay Weather Forecast

    • 2
    • 11

    Partly cloudy

    • 6
    • 13

    Cloudy

    • 8
    • 16

    Possible shower

    • 10
    • 16

    Sunny

    • 9
    • 22

    Shower or two. Windy

    • 5
    • 12

    Shower or two

    • 5
    • 12

    Shower or two

Today 16 Sep South East

Partly cloudy. Slight chance of a shower in the south, most likely later tonight. Near zero chance of rain elsewhere. Winds westerly 25 to 35 km/h.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds turning westerly 15 to 25 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly 1.5 to 2.5 metres inshore, increasing to 3 to 5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high over the Bight directs a cold southwesterly wind over Tasmania. The high is expected to move over Victoria on Thursday. Strong and gusty northwesterly winds are forecast on Friday as a deep low pressure system develops well to the south. A weak ridge is forecast to extend over the state on Saturday, before a cold front crosses the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

September Temperature

Tasman Island (31km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    10.7 °C

  • Highest 14 September, 2026

    19.9 °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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