River Tamar - Supply Bay Weather Forecast

    • 12
    • 23

    Clear

    • 11
    • 25

    Sunny

    • 12
    • 23

    Shower or two

    • 14
    • 24

    Shower or two

    • 13
    • 21

    Showers

    • 13
    • 22

    Shower or two

    • 12
    • 19

    Shower or two

Today 20 Mar Central North

Mostly clear. Light winds.

Central North Coastal Waters

Stanley to Flinders Island
Wind
West to southwesterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas
Around 1 metre.
1st Swell
Westerly below 1 metre.
Weather
Clear.
Weather Situation
A ridge of high pressure over Tasmania will persist over the coming days, with a weak cold front to clip the south of the state on Saturday morning. The high centre will move into the Tasman Sea on Sunday and direct a northerly flow over Tasmania, ahead of another cold front that is expected to weaken and stall over Tasmania during Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Supply Bay Temperature Statistics View More

March Temperature

Low Head (26km)

  • Lowest 14 March, 2026

    10.6 °C

  • Average March

    17.3 °C

  • Highest 4 March, 2026

    22.4 °C

Climate (2021–Present)

Low Head (26km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    13.9 °C

  • Average High 2021–2026

    17.1 °C
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