Cascades Bay - Shelly Beach Weather Forecast

    • 8
    • 19

    Cloudy

    • 12
    • 20

    Partly cloudy

    • 9
    • 14

    Showers

    • 7
    • 13

    Cloudy

    • 7
    • 15

    Cloudy

    • 8
    • 18

    Sunny

    • 11
    • 20

    Shower or two

Today 24 Sep South East

Cloudy. Slight chance of a shower later this evening. Winds northeast to southeasterly 15 to 25 km/h tending northwest to northeasterly 20 to 30 km/h in the late afternoon.

Frederick Henry Bay and Norfolk Bay Boating

Wind
East to northeasterly 10 to 15 knots turning northerly in the evening.
Seas
Below 1 metre.
Weather
Cloudy.
Weather Situation
A ridge extending over Tasmania from a high pressure system in the Tasman Sea weakens today, as a trough approaches from the west in the evening. A weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross early on Saturday. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday and Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay - Shelly Beach Temperature Statistics View More

September Temperature

Tasman Island (24km)

  • Lowest 16 September, 2026

    3.4 °C

  • Average September

    10.6 °C

  • Highest 20 September, 2026

    24.5 °C

Climate (2021–2026)

Tasman Island (24km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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