Port Arthur Jetty Weather Forecast

    • 13
    • 24

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 20

    Cloudy

    • 13
    • 21

    Possible shower developing

    • 12
    • 20

    Possible shower

    • 12
    • 21

    Partly cloudy

Today 30 Dec South East

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds west to southwesterly 25 to 35 km/h.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front will clear in the east during Tuesday evening before a ridge of high pressure will begin to develop from the west on Wednesday. This ridge will persist over the coming days until a trough develops west of Bass Strait late Friday. This trough will extend over the northwest early Saturday and is expected to cross Tasmania by the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Jetty Temperature Statistics View More

December Temperature

Tasman Island (16km)

  • Lowest 25 December, 2025

    5.3 °C

  • Average December

    11.9 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (16km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
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