Stewarts Bay Weather Forecast

    • 7
    • 14

    Cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 19

    Shower or two

    • 13
    • 21

    Shower or two

    • 10
    • 19

    Shower or two

    • 10
    • 15

    Shower or two

    • 8
    • 16

    Cloudy

Today 27 Sep South East

Cloudy. Medium chance of showers in the far south, near zero chance elsewhere. Snow possible above 900 metres. Winds westerly 25 to 35 km/h. Daytime maximum temperatures between 9 and 15.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure system centred well to the west of Tasmania extends a ridge over the state. The high centre is forecast to move across the state tomorrow before moving over the Tasman Sea during Tuesday. Northerly flow is expected to build during Tuesday over Tasmania ahead of an approaching trough, forecast to cross during early Wednesday.
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 16 September, 2026

    3.4 °C

  • Average September

    10.7 °C

  • Highest 20 September, 2026

    24.5 °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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