River Tamar - Bonnie Beach Weather Forecast

    • 5
    • 16

    Shower or two

    • 9
    • 15

    Rain

    • 10
    • 15

    Showers

    • 6
    • 14

    Shower or two

    • 7
    • 15

    Possible shower

    • 7
    • 15

    Partly cloudy

    • 6
    • 14

    Shower or two

Today 18 Aug Central North

Partly cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h in the early afternoon then tending east to northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 15.

Central North Coastal Waters

Stanley to Flinders Island
Wind
East to northeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Westerly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system lies just to the east of Tasmania and is expected to slowly move away towards New Zealand during Tuesday and Wednesday. A northerly stream will develop over Tasmania on Tuesday and persist into Wednesday, ahead of a trough to cross the state during Wednesday evening and early Thursday morning. Another trough is expected to cross Tasmania during Thursday, with a west to northwesterly stream to develop and persist through Friday.
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

    10.7 °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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