Sisters Rocks Weather Forecast

    • 4
    • 14

    Sunny

    • 10
    • 18

    Partly cloudy

    • 12
    • 18

    Possible shower

    • 5
    • 9

    Showers

    • 3
    • 11

    Shower or two

    • 6
    • 14

    Partly cloudy

    • 8
    • 16

    Possible shower

Today 12 Sep South East

Sunny. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly in the middle of the day then tending northwest to northeasterly in the evening. Daytime maximum temperatures between 15 and 21.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
South to southwesterly 1.5 to 2.5 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure system over southern Victoria is forecast to move over the Tasman Sea early today and continue to slowly move east. A weak trough is expected to cross Tasmania late Sunday. A cold front is then expected to approach the state from the west on Monday, directing the flow northwesterly before crossing Tasmania overnight into early Tuesday. A southwesterly flow will establish over the state in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Rocks Temperature Statistics View More

September Temperature

Tasman Island (31km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    10.3 °C

  • Highest 1 September, 2026

    15.9 °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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