Waterfall Bay (Port Arthur) Weather Forecast

    • 9
    • 13

    Showers easing

    • 8
    • 14

    Partly cloudy

    • 9
    • 16

    Shower or two

    • 8
    • 14

    Showers

    • 6
    • 11

    Showers

    • 7
    • 12

    Shower or two

    • 6
    • 13

    Partly cloudy

Today 25 Jul South East

Cloudy. High chance of showers. Winds westerly 25 to 40 km/h decreasing to 20 to 30 km/h in the morning then turning northwesterly 15 to 25 km/h in the late afternoon. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 8 and 13.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 25 to 30 knots, reaching up to 35 knots early in the morning. Winds turning westerly 20 to 30 knots during the day.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres around midday.
1st Swell
Southwesterly 3 to 5 metres, decreasing to 3 metres later in the evening.
Weather
Cloudy. 95% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

July Temperature

Tasman Island (15km)

  • Lowest 24 July, 2026

    2.5 °C

  • Average July

    9.4 °C

  • Highest 19 July, 2026

    17 °C

Climate (2021–2026)

Tasman Island (15km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.6 °C
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