Sisters Bay Weather Forecast

    • 9
    • 14

    Shower or two

    • 10
    • 15

    Mostly sunny

    • 7
    • 13

    Shower or two

    • 6
    • 11

    Shower or two

    • 6
    • 13

    Partly cloudy

    • 7
    • 13

    Shower or two

    • 7
    • 11

    Shower or two

Today 19 Aug South East

Partly cloudy. Medium chance of showers, most likely late this afternoon and evening. Winds north to northeasterly 20 to 30 km/h. Daytime maximum temperatures between 14 and 19.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A trough will approach from the west and move over the state later today and early Thursday. Another trough will cross Tasmania later on Thursday, with a west to northwesterly stream expected through Friday and then a cold front to brush the south of the state on Saturday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

August Temperature

Tasman Island (31km)

  • Lowest 15 August, 2026

    6.1 °C

  • Average August

    9.7 °C

  • Highest 1 August, 2026

    13.7 °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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