Sisters Bay Weather Forecast

    • 8
    • 13

    Showers

    • 8
    • 11

    Showers

    • 3
    • 8

    Showers increasing

    • 3
    • 11

    Showers. Wind easing

    • 7
    • 10

    Showers easing

    • 6
    • 12

    Possible shower

    • 8
    • 12

    Shower or two

Today 21 Jul South East

Partly cloudy. Very high chance of showers. Winds northwesterly 15 to 20 km/h becoming light in the middle of the day then becoming north to northwesterly 20 to 30 km/h in the late afternoon. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 11 and 15.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
West to northwesterly 10 to 15 knots tending north to northwesterly 15 to 20 knots during the morning and early afternoon.
Seas
Around 1 metre.
1st Swell
South to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A high pressure centre over the Tasman Sea is directing a northwesterly flow over Tasmania. A weak trough is positioned over the west of the state. A strong cold front is forecast to move over the state from the west late Wednesday and another cold front follows on Thursday, bringing strong west to southwesterly winds across the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

July Temperature

Tasman Island (31km)

  • Lowest 4 July, 2026

    3.9 °C

  • Average July

    9.7 °C

  • Highest 19 July, 2026

    17 °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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