Sisters Rocks Weather Forecast

    • 12
    • 18

    Possible shower

    • 8
    • 15

    Cloudy

    • 10
    • 21

    Showers

    • 10
    • 18

    Showers increasing

    • 10
    • 17

    Shower or two

    • 9
    • 15

    Shower or two

    • 8
    • 15

    Shower or two

Today 18 Dec South East

Cloudy. Medium chance of showers, most likely in the evening. Winds northwest to northeasterly 15 to 20 km/h tending south to southeasterly 20 to 30 km/h in the middle of the day. Daytime maximum temperatures between 19 and 24.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Southeast to southwesterly 10 to 15 knots tending northeast to southeasterly in the middle of the day then tending south to southeasterly in the late afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Cloudy.
Weather Situation
A trough approaches from the southwest today and is forecast to cross the state during this afternoon. A weak ridge is then expected to pass to the south on Friday, before a low pressure system moves over the state on Saturday, lingering about the east coast on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Rocks Temperature Statistics View More

December Temperature

Tasman Island (31km)

  • Lowest 7 December, 2025

    5.4 °C

  • Average December

    12.2 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (31km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
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