Waterfall Bay (Port Arthur) Weather Forecast

    • 8
    • 15

    Shower or two

    • 8
    • 16

    Cloudy

    • 10
    • 19

    Mostly sunny

    • 10
    • 21

    Sunny

    • 11
    • 22

    Sunny

    • 11
    • 22

    Mostly sunny

    • 13
    • 24

    Partly cloudy

Today 14 Oct South East

Cloudy. Slight chance of a shower, most likely in the morning with possible small hail in the south. Snow possible above 800 metres. Winds west to southwesterly 25 to 35 km/h tending south to southwesterly 20 to 30 km/h in the middle of the day then tending northwest to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 11 and 15.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to 10 to 15 knots in the evening.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 4 to 6 metres, decreasing to 3 to 4 metres during the morning.
Weather
Cloudy. 60% chance of showers, with possible small hail in the early morning.
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 13 October, 2026

    4 °C

  • Average October

    10.7 °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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