River Tamar - Bonnie Beach Weather Forecast

    • 10
    • 19

    Mostly clear

    • 6
    • 15

    Cloudy

    • 3
    • 15

    Sunny

    • 3
    • 17

    Sunny

    • 3
    • 18

    Partly cloudy

    • 8
    • 19

    Showers

    • 10
    • 18

    Showers

Today 25 Sep Central North

Mostly clear. Winds north to northwesterly 15 to 25 km/h becoming light in the late evening.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Westerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
1st Swell
Northeasterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A weak trough moves over the state today ahead of a cold front which crosses early tomorrow morning. A high pressure system is then forecast to extend a ridge over Tasmania from the southwest during Saturday, before moving across the state on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Bonnie Beach Temperature Statistics View More

September Temperature

Low Head (19km)

  • Lowest 11 September, 2026

    4.2 °C

  • Average September

    12.1 °C

  • Highest 20 September, 2026

    19.4 °C

Climate (2021–2026)

Low Head (19km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    14 °C

  • Average High 2021–2026

    17.2 °C
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