Waterfall Bay (Port Arthur) Weather Forecast

    • 7
    • 13

    Showers. Windy

    • 7
    • 15

    Shower or two

    • 9
    • 16

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 21

    Sunny

    • 11
    • 22

    Mostly sunny

    • 12
    • 23

    Partly cloudy

Today 13 Oct South East

Cloudy. Very high chance of showers, most likely in the morning and afternoon. Snow falling above 300 metres. The chance of a thunderstorm in the morning and early afternoon. Possible small hail. Damaging winds possible. Winds west to northwesterly 25 to 40 km/h tending west to southwesterly 35 to 55 km/h during the morning and early afternoon. Overnight temperatures falling to between 1 and 7 with daytime temperatures reaching between 7 and 13.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to northwesterly 30 to 35 knots turning southwesterly 25 to 40 knots in the afternoon.
Seas
3 to 4 metres.
1st Swell
Westerly 2.5 to 4 metres, increasing to 4 to 6 metres during the morning, then tending southwesterly 5 to 6 metres during the afternoon.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm. Possible small hail.
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

    11.2 °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

    14.7 °C
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