Waterfall Bay (Port Arthur) Weather Forecast

    • 6
    • 10

    Showers increasing. Windy

    • 4
    • 13

    Showers. Wind easing

    • 9
    • 13

    Showers easing

    • 8
    • 14

    Shower or two

    • 9
    • 15

    Possible shower

    • 8
    • 13

    Showers

    • 5
    • 10

    Showers

Today 23 Jul South East

Cloudy. Very high chance of showers. Snow falling above 400 metres. The chance of a thunderstorm. Possible small hail. Damaging winds possible in the south from the afternoon. Winds northwesterly 25 to 35 km/h turning westerly 35 to 50 km/h during the morning. Overnight temperatures falling to between 1 and 5 with daytime temperatures reaching between 4 and 9.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 25 to 40 knots turning southwesterly 30 to 40 knots in the evening.
Seas
2.5 to 3 metres, increasing to 3 to 4 metres around midday.
1st Swell
Westerly 4 to 6 metres, tending southwesterly 5 to 7 metres around midday.
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

July Temperature

Tasman Island (15km)

  • Lowest 4 July, 2026

    3.9 °C

  • Average July

    9.9 °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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