Waterfall Bay (Port Arthur) Weather Forecast

    • 9
    • 14

    Shower or two

    • 6
    • 11

    Shower or two

    • 6
    • 10

    Showers increasing

    • 5
    • 13

    Showers easing

    • 8
    • 14

    Shower or two

    • 8
    • 14

    Possible shower

    • 8
    • 15

    Shower or two

Today 27 Aug South East

Cloudy. High chance of showers, most likely in the afternoon and evening. Snow falling above 1000 metres. Winds northerly 20 to 30 km/h turning west to northwesterly 30 to 45 km/h in the middle of the day. Daytime maximum temperatures between 10 and 15.

South East Coastal Waters

Tasman Island to South East Cape
Wind
North to northwesterly 20 to 30 knots turning westerly 25 to 30 knots in the early afternoon. Winds reaching up to 35 knots in the evening.
Seas
1.5 to 2.5 metres, increasing to 2.5 to 4 metres by early evening.
1st Swell
Westerly 1.5 to 2.5 metres inshore, increasing to 3 to 4 metres offshore by early evening.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore in the afternoon and evening.
Weather Situation
A series of fronts and troughs are forecast to cross the state over the next few days. A stronger cold front with an associated low pressure system is expected to pass over Tasmania on Friday bringing colder south to southwesterly winds for the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

August Temperature

Tasman Island (15km)

  • Lowest 17 August, 2025

    3.3 °C

  • Average August

    9.6 °C

  • Highest 14 August, 2025

    15.2 °C

Climate (2020–Present)

Tasman Island (15km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.6 °C
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