Swainson Island Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 8
    • 20

    Sunny

    • 9
    • 22

    Showers developing

    • 11
    • 17

    Possible shower

    • 10
    • 22

    Possible shower

    • 15
    • 20

    Showers

    • 11
    • 17

    Shower or two

Today 20 Apr Western

Partly cloudy. Light winds. Daytime maximum temperatures between 15 and 19.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Westerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy.
Weather Situation
A high to the east of Tasmania will remain over the Southern Tasman Sea through today and Tuesday and extend a ridge over the state. A weak cold front is expected to approach Tasmania during Wednesday, then cross the state late Wednesday and early Thursday ahead of another high that will move over Tasmania on Thursday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swainson Island Temperature Statistics View More

April Temperature

Dover (86km)

  • Lowest 11 April, 2026

    3.8 °C

  • Average April

    9.6 °C

  • Highest 9 April, 2026

    21.8 °C

Climate (2021–Present)

Dover (86km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    16.9 °C
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