Waterfall Bay (Port Arthur) Weather Forecast

    • 3
    • 13

    Shower or two

    • 7
    • 12

    Mostly sunny

    • 5
    • 12

    Partly cloudy

    • 7
    • 13

    Mostly sunny

    • 7
    • 14

    Partly cloudy

    • 7
    • 13

    Shower or two

    • 7
    • 13

    Shower or two

Today 7 Jul South East

Partly cloudy. Areas of morning frost. Medium chance of showers in the far south, slight chance elsewhere. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 9 and 13.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 10 to 15 knots turning south to southeasterly in the afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A very strong high pressure centre lies over Tasmania and will persist into tomorrow, with a weak trough to pass close to the southeast during today. The high is expected to weaken a little but remain in place on Wednesday before slowly moving over the Tasman Sea on Thursday and Friday as a series of cold fronts slowly approach from the west.
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 °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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