Waterfall Bay (Port Arthur) Weather Forecast

    • 12
    • 21

    Showers increasing

    • 11
    • 15

    Rain

    • 7
    • 15

    Shower or two

    • 7
    • 17

    Cloudy

    • 11
    • 18

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 19

    Partly cloudy

Today 24 Oct South East

Partly cloudy. Very high chance of showers, most likely late this afternoon and evening. Winds west to northwesterly 15 to 25 km/h shifting east to southeasterly in the late afternoon. Daytime maximum temperatures between 17 and 22.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 15 to 20 knots becoming variable about 10 knots in the evening then becoming east to northeasterly 10 to 15 knots in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Mostly sunny. 90% chance of showers.
Weather Situation
A trough over the state is forecast to linger today, before a cold front slowly crosses later this evening into Sunday. Another cold front forecast to cross during Monday is expected to shift the flow southwesterly into the new week. A ridge develops over Western Victoria on Tuesday.
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

    12.2 °C

  • Highest 20 October, 2026

    22 °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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