Waterfall Bay (Port Arthur) Weather Forecast

    • 9
    • 16

    Partly cloudy

    • 10
    • 16

    Sunny

    • 10
    • 16

    Sunny

    • 13
    • 17

    Shower or two

    • 9
    • 15

    Sunny

    • 9
    • 16

    Possible shower

    • 12
    • 16

    Shower or two

Today 7 Jun South East

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds west to northwesterly 30 to 45 km/h. Daytime maximum temperatures between 12 and 16.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 20 to 30 knots, reaching up to 35 knots offshore during the day.
Seas
2 to 3 metres, increasing to 2 to 4 metres offshore.
1st Swell
West to southwesterly 5 to 6 metres.
Weather
Partly cloudy.
Weather Situation
A west to northwesterly airstream prevails over Tasmania until Monday, as an area of high pressure builds over the southeastern mainland and a series of lows and fronts pass well to the southwest. With the high pressure system moving into the Tasman Sea early next week the airstream will tend northerly and freshen ahead of an approaching cold front mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

June Temperature

Tasman Island (15km)

  • Lowest 5 June, 2026

    7 °C

  • Average June

    10.1 °C

  • Highest 2 June, 2026

    12.3 °C

Climate (2021–Present)

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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