Waterfall Bay (Port Arthur) Weather Forecast

    • 8
    • 15

    Mostly clear

    • 8
    • 16

    Partly cloudy

    • 10
    • 15

    Shower or two

    • 9
    • 16

    Possible shower

    • 9
    • 16

    Showers

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Sunny

Today 2 Oct South East

Partly cloudy. Winds southeast to southwesterly 15 to 20 km/h becoming southeasterly 15 to 25 km/h in the middle of the day then tending northeast to southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 13 and 17.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure will develop over Tasmania from the west during Friday, behind a weak cold front which has passed into the Tasman Sea. At the same time a trough and associated low pressure system is deepening over Victoria. The trough is forecast to move near the east of Tasmania on Saturday, before moving away to the southeast on Sunday. Another weaker high pressure ridge is forecast to move over from the west early Monday ahead of an approaching cold front.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

October Temperature

Tasman Island (15km)

  • Lowest 1 October, 2026

    11 °C

  • Average October

    13.8 °C

  • Highest

    –

Climate (2021–2026)

Tasman Island (15km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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