Sisters Bay Weather Forecast

    • 7
    • 14

    Mostly clear

    • 8
    • 16

    Shower or two

    • 7
    • 13

    Partly cloudy

    • 8
    • 12

    Showers. Windy

    • 6
    • 13

    Shower or two

    • 9
    • 13

    Showers

    • 6
    • 12

    Shower or two

Today 31 Aug South East

Partly cloudy. Winds westerly 15 to 25 km/h turning northwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures between 12 and 17.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
West to southwesterly 10 to 15 knots, reaching up to 25 knots offshore in the late morning. Winds tending northwest to northeasterly in the early afternoon.
Seas
1 to 2 metres, decreasing to 1 metre during the afternoon.
1st Swell
South to southwesterly 1 to 2 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge extends over the southern mainland maintaining a westerly flow over Tasmania today, before the high centre drifts into the Tasman Sea later tonight. A cold front is expected to approach from the west and cross Tasmania on Tuesday, followed by persistent westerly flow for the remainder of the week. A cold front embedded in the westerly flow is forecast to cross during Thursday.
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 23 August, 2026

    6 °C
  • Average August

    10.1 °C
  • Highest 20 August, 2026

    17.1 °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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