Waterfall Bay (Port Arthur) Weather Forecast

    • 8
    • 12

    Partly cloudy

    • 5
    • 12

    Mostly sunny

    • 5
    • 13

    Sunny

    • 7
    • 14

    Mostly sunny

    • 8
    • 13

    Shower or two

    • 7
    • 12

    Showers

    • 7
    • 13

    Showers

Today 8 Jul South East

Cloud clearing. Light winds. Daytime maximum temperatures between 9 and 13.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northerly about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A very strong high pressure centre lies over Tasmania and will weaken a little during the day before slowly moving over the Tasman Sea on Thursday and Friday. A northwesterly airstream will then develop over Tasmania later Friday and during Saturday as a series of cold fronts slowly approach from the west. The first front is expected to reach Tasmania later Saturday.
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

    8.9 °C

  • Highest 1 July, 2026

    15.3 °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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