Waterfall Bay (Port Arthur) Weather Forecast

    • 9
    • 16

    Partly cloudy

    • 9
    • 17

    Mostly sunny

    • 11
    • 18

    Mostly sunny

    • 12
    • 18

    Shower or two

    • 10
    • 15

    Showers

    • 9
    • 16

    Possible shower

    • 9
    • 17

    Shower or two

Today 21 May South East

Partly cloudy. Winds northwesterly 15 to 20 km/h. Overnight temperatures falling to between 4 and 8 with daytime temperatures reaching between 12 and 16.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 15 to 20 knots turning northwesterly during the morning. Winds reaching up to 25 knots offshore during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly 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

    12.8 °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

    14.6 °C
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