Sisters Bay Weather Forecast

    • 5
    • 15

    Partly cloudy

    • 7
    • 11

    Rain

    • 5
    • 12

    Possible shower

    • 6
    • 13

    Possible morning shower

    • 6
    • 14

    Possible shower

    • 6
    • 12

    Showers

    • 3
    • 9

    Shower or two

Today 21 Oct South East

Partly cloudy. Slight chance of a shower, most likely at night. Winds westerly 25 to 35 km/h turning northwesterly 15 to 25 km/h during the afternoon and evening. Daytime maximum temperatures between 11 and 17.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
West to northwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late morning. Winds tending northwest to northeasterly in the late afternoon then tending west to northwesterly in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 1 to 2 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure to the north of Tasmania, directs a westerly flow over the state on Tuesday. A low pressure system is forecast to move through Bass Strait during Wednesday, with a strong southwesterly flow to develop behind it on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

October Temperature

Maria Island (Point Lesueur) (32km)

  • Lowest 13 October, 2025

    5.5 °C

  • Average October

    12.8 °C

  • Highest 5 October, 2025

    23.6 °C

Climate (2020–Present)

Maria Island (Point Lesueur) (32km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    16.9 °C
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