Cascades Bay Weather Forecast

    • 13
    • 19

    Shower or two

    • 13
    • 17

    Possible shower

    • 10
    • 17

    Partly cloudy

    • 10
    • 16

    Partly cloudy

    • 10
    • 17

    Mostly sunny

    • 11
    • 18

    Partly cloudy

    • 10
    • 17

    Shower or two

Today 17 May South East

Cloudy. Very high chance of showers. Winds north to northwesterly 15 to 20 km/h becoming light in the morning. Daytime maximum temperatures between 13 and 18.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Northerly below 10 knots becoming west to northwesterly in the middle of the day then becoming north to northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A slow moving high pressure system near New Zealand is directing a mild north to northeasterly airstream over Tasmania. A trough is expected to slowly move eastwards across Tasmania during today and Monday. A weak cold front is then forecast to approach the west during Monday, and cross over the state on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay Temperature Statistics View More

May Temperature

Tasman Island (25km)

  • Lowest 8 May, 2026

    4.7 °C

  • Average May

    13.1 °C

  • Highest 1 May, 2026

    21.4 °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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