Waterfall Bay (Port Arthur) Weather Forecast

    • 13
    • 20

    Cloudy

    • 13
    • 19

    Cloudy

    • 13
    • 20

    Partly cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 20

    Cloudy

    • 14
    • 21

    Possible shower

    • 14
    • 21

    Possible shower

Today 13 Jan South East

Cloudy. Slight chance of a shower. Winds west to southwesterly 15 to 20 km/h turning south to southeasterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures between 17 and 21.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 10 to 15 knots turning southerly in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge over Tasmania will persist in the coming days with a trough developing through eastern parts of Bass Strait today. This trough will develop into a broad low pressure system off the eastern coast of Victoria by Thursday while a secondary high pressure system begins to move in far to the west of Tasmania, expected to slip to the south of the state on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

January Temperature

Tasman Island (15km)

  • Lowest 11 January, 2026

    5.8 °C

  • Average January

    13.8 °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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