Sisters Bay Weather Forecast

    • 10
    • 18

    Shower or two

    • 10
    • 18

    Partly cloudy

    • 13
    • 22

    Mostly sunny

    • 16
    • 21

    Partly cloudy

    • 12
    • 18

    Possible shower

    • 10
    • 16

    Partly cloudy

    • 10
    • 18

    Partly cloudy

Today 22 Apr South East

Becoming cloudy. High chance of showers, most likely late this afternoon and evening. Winds northwest to northeasterly 20 to 30 km/h tending west to northwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures between 18 and 23.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore in the late morning and early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high over the Southern Tasman Sea extends a ridge over the state. A weak cold front is approaches Tasmania this morning crossing the state late today and early Thursday ahead of another high that will move over Tasmania and into the Tasman Sea on Thursday. A northwesterly airstream will prevail on Friday, ahead of cold front expected to move over Tasmania over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

April Temperature

Tasman Island (31km)

  • Lowest 13 April, 2026

    5.8 °C

  • Average April

    11.6 °C

  • Highest 1 April, 2026

    22 °C

Climate (2021–Present)

Tasman Island (31km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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