Stewarts Bay Weather Forecast

    • 15
    • 24

    Clear

    • 13
    • 22

    Showers increasing

    • 11
    • 18

    Shower or two

    • 12
    • 20

    Partly cloudy

    • 14
    • 23

    Mostly sunny

    • 14
    • 22

    Partly cloudy

    • 13
    • 23

    Partly cloudy

Today 20 Jan South East

Mostly sunny. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 21 to 26.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Clear.
Weather Situation
A ridge of high pressure lies over Tasmania Tuesday. A cold front will move across the state from the west on Wednesday. A high pressure system moves into waters south of the Bight and extends a ridge over the Tasmania on Thursday. The high then moves into the Tasman Sea on Friday, directing a northerly stream over the state ahead of a cold front expected over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stewarts Bay Temperature Statistics View More

January Temperature

Tasman Island (16km)

  • Lowest 11 January, 2026

    5.8 °C

  • Average January

    13.7 °C

  • Highest 6 January, 2026

    20.3 °C

Climate (2021–Present)

Tasman Island (16km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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