Port Arthur Jetty Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 13
    • 24

    Possible shower

    • 15
    • 22

    Showers

    • 12
    • 17

    Shower or two

    • 11
    • 20

    Morning shower or two

    • 12
    • 21

    Mostly sunny

    • 13
    • 21

    Shower or two

Today 9 Mar South East

Partly cloudy. Slight chance of a shower in the far south, near zero chance elsewhere. Winds northwest to northeasterly 15 to 25 km/h tending east to northeasterly 20 to 30 km/h in the early afternoon then tending northwest to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 19 and 24.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northerly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres near Tasman Island during the afternoon.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over eastern Tasmania is expected to move out further into the Tasman Sea today as a weak trough is also forecast to approach and cross the west coast today. The weakened ridge is expected to persist over much of Tasmania on Tuesday. A cold front is forecast to approach and cross Tasmania from the west on Wednesday, followed by a ridge of high pressure extending from a high centred well to the west of the state on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Jetty Temperature Statistics View More

March Temperature

Tasman Island (16km)

  • Lowest 8 March, 2026

    10.4 °C

  • Average March

    14.7 °C

  • Highest 5 March, 2026

    23.9 °C

Climate (2021–Present)

Tasman Island (16km)

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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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