Cascades Bay - Shelly Beach Weather Forecast

    • 13
    • 24

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 11
    • 20

    Cloudy

    • 13
    • 21

    Possible shower

    • 12
    • 20

    Possible shower

    • 12
    • 21

    Partly cloudy

Today 30 Dec South East

Cloudy. Medium chance of showers, becoming less likely at night. Winds northwest to southwesterly 15 to 25 km/h tending southeast to southwesterly in the middle of the day then tending west to southwesterly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures 20 to 25.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Variable about 10 knots becoming southerly 15 to 25 knots in the middle of the day then tending southwesterly in the late evening.
Seas
Below 1 metre, increasing to 1.5 to 2 metres during the afternoon.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A trough will sweep across the state today, lingering over north eastern waters into Wednesday morning. A new ridge of high pressure will develop from the west over Tasmania late Wednesday and will persist across the state into Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay - Shelly Beach Temperature Statistics View More

December Temperature

Tasman Island (24km)

  • Lowest 25 December, 2025

    5.3 °C

  • Average December

    11.9 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (24km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
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