Waterfall Bay (Port Arthur) Weather Forecast

    • 10
    • 16

    Showers

    • 7
    • 13

    Showers. Becoming windy

    • 7
    • 15

    Shower or two

    • 9
    • 16

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 11
    • 20

    Mostly sunny

    • 11
    • 21

    Sunny

Today 12 Oct South East

Cloudy. Very high chance of showers. Snow falling above 800 metres. Winds north to northwesterly 25 to 35 km/h turning westerly 25 to 40 km/h before dawn then tending northwesterly 30 to 45 km/h in the evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 11 and 17.

South East Coastal Waters

Tasman Island to South East Cape
Wind
North to northwesterly 20 to 30 knots turning west to southwesterly 15 to 25 knots early in the morning then tending west to northwesterly 20 to 30 knots in the early afternoon. Winds reaching up to 35 knots offshore in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1.5 metres during the morning, then increasing to 2 to 3 metres around midday.
1st Swell
West to southwesterly 3 to 5 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm offshore at night.
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 (15 km)

  • Lowest 7 October, 2026

    5.2 °C

  • Average October

    11.1 °C

  • Highest 10 October, 2026

    18.8 °C

Climate (2021–2026)

Tasman Island (15 km)

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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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