Waterfall Bay (Port Arthur) Weather Forecast

    • 10
    • 19

    Mostly clear

    • 11
    • 23

    Mostly sunny

    • 13
    • 21

    Partly cloudy

    • 13
    • 19

    Possible shower

    • 13
    • 20

    Cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 20

    Cloudy

Today 11 Jan South East

Partly cloudy. Winds westerly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 20 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge over Tasmania will persist over the coming days with a trough developing through eastern parts of Bass Strait on Tuesday. This trough will develop into a broad low pressure system off the eastern coast of Victoria by Thursday while a high pressure system begins to move in far to the west of Tasmania.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

January Temperature

Tasman Island (15km)

  • Lowest 1 January, 2026

    9.9 °C

  • Average January

    14.5 °C

  • Highest 6 January, 2026

    20.3 °C

Climate (2021–Present)

Tasman Island (15km)

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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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