Cascades Bay - Shelly Beach Weather Forecast

    • 8
    • 15

    Very windy. Cloudy

    • 10
    • 22

    Partly cloudy

    • 11
    • 27

    Mostly sunny

    • 13
    • 23

    Shower or two

    • 10
    • 17

    Cloudy

    • 11
    • 19

    Showers

    • 12
    • 20

    Shower or two

Today 15 Dec South East

Cloudy. High chance of showers in the far south, medium chance elsewhere. Snow falling above 1000 metres. Possible small hail in the afternoon. Winds westerly 35 to 55 km/h decreasing to 30 to 45 km/h in the evening. Daytime maximum temperatures between 9 and 16.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Southwesterly 20 to 30 knots turning westerly 15 to 20 knots in the evening.
Seas
1 to 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system to the northwest will cross through Bass Strait on Tuesday and will continue to extend a ridge over the state as the high settles in the Tasman Sea on Wednesday. A trough will cross over the state on Thursday with broad area of low pressure developing off the west coast on 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 7 December, 2025

    5.4 °C

  • Average December

    12.3 °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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