Sisters Bay Weather Forecast

    • 7
    • 14

    Partly cloudy

    • 11
    • 15

    Showers

    • 7
    • 11

    Partly cloudy

    • 5
    • 12

    Mostly sunny

    • 8
    • 12

    Shower or two

    • 10
    • 14

    Shower or two

    • 11
    • 14

    Showers

Today 12 Jun South East

Partly cloudy. Slight chance of a shower in the south, most likely later this evening. Near zero chance of rain elsewhere. Winds northerly 15 to 25 km/h increasing to 20 to 30 km/h in the evening.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 2 metres by early evening.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front is approaching Tasmania from the west and is forecast to cross the state on Saturday, with the associated low centre to moving well to the south. A high pressure system is expected to move over Tasmania late Sunday before moving over the Tasman Sea on Monday. Another low pressure system is forecast to approach from the west on Tuesday, extending a trough over the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

June Temperature

Tasman Island (31km)

  • Lowest 5 June, 2026

    7 °C

  • Average June

    11.1 °C

  • Highest 8 June, 2026

    15.5 °C

Climate (2021–Present)

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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