Stewarts Bay Weather Forecast

    • 9
    • 15

    Rain

    • 10
    • 16

    Possible shower

    • 8
    • 13

    Shower or two. Wind easing

    • 7
    • 15

    Late showers

    • 7
    • 13

    Shower or two. Windy

    • 9
    • 16

    Mostly sunny

    • 9
    • 16

    Sunny

Today 5 Sep South East

Cloudy. Very high chance of rain. Winds south to southeasterly 15 to 20 km/h tending south to southwesterly 20 to 30 km/h in the evening.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Easterly 10 to 15 knots turning south to southeasterly 15 to 20 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy. 90% chance of rain.
Weather Situation
A low pressure system near the west coast is directing a west to northwesterly flow over the State. The low will cross Tasmania early Saturday evening, with a west to southwesterly airstream then becoming established in its wake. A weaker cold front embedded in the westerly flow is forecast to cross the State early Monday, followed by another later Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stewarts Bay Temperature Statistics View More

September Temperature

Tasman Island (16km)

  • Lowest 4 September, 2026

    6.1 °C

  • Average September

    10.4 °C

  • Highest 1 September, 2026

    15.9 °C

Climate (2021–2026)

Tasman Island (16km)

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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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