Waterfall Bay (Port Arthur) Weather Forecast

    • 7
    • 16

    Partly cloudy

    • 11
    • 17

    Shower or two

    • 10
    • 20

    Cloud clearing

    • 10
    • 21

    Sunny

    • 11
    • 21

    Showers

    • 11
    • 18

    Shower or two

    • 10
    • 18

    Possible shower

Today 27 Oct South East

Partly cloudy. Medium chance of showers in the far south, most likely in the evening. Near zero chance of rain elsewhere. Winds westerly 25 to 40 km/h. Daytime maximum temperatures between 11 and 16.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 25 to 30 knots, reaching up to 35 knots during the afternoon and evening.
Seas
2 to 3 metres, increasing to 2.5 to 4 metres offshore.
1st Swell
Westerly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon, then tending west to southwesterly 4 to 5 metres by early evening.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A cool west to southwesterly airstream persists over Tasmania until Wednesday as a ridge of high pressure is expected to develop over Victoria, combined with a broad area of low pressure well to the south of Tasmania. The high is forecast to move eastwards over Bass Strait during Thursday and Friday.
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

    11.9 °C

  • Highest 23 October, 2026

    28.3 °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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