Port Arthur Jetty Weather Forecast

    • 11
    • 20

    Shower or two

    • 10
    • 17

    Shower or two

    • 10
    • 16

    Showers. Windy

    • 8
    • 15

    Showers. Windy

    • 8
    • 16

    Shower or two

    • 11
    • 19

    Partly cloudy

    • 11
    • 22

    Sunny

Today 22 Dec South East

Cloudy. High chance of showers, most likely in the early morning. Winds south to southwesterly 20 to 30 km/h turning westerly 25 to 35 km/h early in the morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 14 and 20.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning westerly during the morning.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres during the afternoon.
Weather
Cloudy. 80% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Jetty Temperature Statistics View More

December Temperature

Tasman Island (16km)

  • Lowest 7 December, 2025

    5.4 °C

  • Average December

    12.5 °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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