Cascades Bay Weather Forecast

    • 13
    • 22

    Clear

    • 12
    • 23

    Mostly sunny

    • 15
    • 24

    Mostly sunny

    • 14
    • 21

    Showers increasing

    • 12
    • 19

    Showers

    • 13
    • 23

    Shower or two

    • 12
    • 18

    Showers

Today 20 Mar South East

Partly cloudy. Slight chance of a shower in the far south, near zero chance elsewhere. Winds northwest to southwesterly 15 to 20 km/h tending northwest to northeasterly in the late evening. Daytime maximum temperatures between 18 and 23.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure over Tasmania will persist over the coming days, with a weak cold front to clip the south of the state on Saturday morning. The high centre will move into the Tasman Sea on Sunday and direct a northerly flow over Tasmania, ahead of another cold front that is expected to weaken and stall over Tasmania during Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay Temperature Statistics View More

March Temperature

Tasman Island (25km)

  • Lowest 13 March, 2026

    7.4 °C

  • Average March

    14 °C

  • Highest 5 March, 2026

    23.9 °C

Climate (2021–Present)

Tasman Island (25km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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