Waterfall Bay (Port Arthur) Weather Forecast

    • 12
    • 17

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 10
    • 16

    Partly cloudy

    • 10
    • 17

    Partly cloudy

    • 11
    • 18

    Sunny

    • 10
    • 17

    Shower or two

    • 10
    • 16

    Shower or two

Today 18 May South East

Cloudy. Medium chance of showers. Light winds. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 13 and 16.

South East Coastal Waters

Tasman Island to South East Cape
Wind
South to southwesterly about 10 knots tending westerly 10 to 15 knots in the late evening.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

May Temperature

Tasman Island (15km)

  • Lowest 8 May, 2026

    4.7 °C

  • Average May

    13.2 °C

  • Highest 1 May, 2026

    21.4 °C

Climate (2021–Present)

Tasman Island (15km)

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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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