Swainson Island Weather Forecast

    • 10
    • 20

    Partly cloudy

    • 10
    • 29

    Mostly sunny

    • 13
    • 20

    Partly cloudy

    • 9
    • 23

    Sunny

    • 14
    • 26

    Shower or two

    • 15
    • 19

    Shower or two

    • 12
    • 20

    Partly cloudy

Today 23 Jan Western

Partly cloudy. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the middle of the day then tending northeast to southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 19 and 23.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Variable about 10 knots becoming easterly 15 to 25 knots in the late afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system over waters to the south of the Bight extends a ridge over Tasmania. The high centre is expected to move eastwards over the state during today, directing a northeasterly stream over Tasmania into Saturday. A trough approaches the west of Tasmania during Saturday, forecast to cross the state overnight into Sunday. A new high pressure system is expected to move in from the west on Sunday and move over the state on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swainson Island Temperature Statistics View More

January Temperature

Maatsuyker Island (43km)

  • Lowest 11 January, 2026

    7.8 °C

  • Average January

    13.7 °C

  • Highest 19 January, 2026

    20.8 °C

Climate (2021–Present)

Maatsuyker Island (43km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.2 °C
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