River Tamar - Bonnie Beach Weather Forecast

    • 6
    • 15

    Rain increasing

    • 8
    • 14

    Rain easing

    • 4
    • 14

    Showers increasing

    • 7
    • 13

    Showers easing

    • 4
    • 14

    Partly cloudy

    • 6
    • 15

    Partly cloudy

    • 3
    • 14

    Partly cloudy

Today 9 Aug Central North

Cloudy. Very high chance of showers, most likely late this afternoon and evening. Light winds becoming east to northeasterly 15 to 20 km/h in the morning. Daytime maximum temperatures around 14.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
Westerly below 1 metre.
Weather
Cloudy. 95% chance of rain.
Weather Situation
A front, sitting over the Bight, approaches Tasmania from the west. A low is expected to develop on the front and move over southeastern SA during today. The low moves over or near Bass Strait Monday morning, and moves further east to be off the east coast of Tasmania in the evening. A weak ridge is expected to cross over Tuesday before a cold front during Wednesday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Bonnie Beach Temperature Statistics View More

August Temperature

Low Head (19km)

  • Lowest 1 August, 2026

    3.6 °C

  • Average August

    9.9 °C

  • Highest 5 August, 2026

    15.3 °C

Climate (2021–2026)

Low Head (19km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    13.9 °C

  • Average High 2021–2026

    17.2 °C
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