Waterfall Bay (Port Arthur) Weather Forecast

    • 12
    • 21

    Sunny

    • 15
    • 23

    Sunny

    • 15
    • 21

    Shower or two

    • 13
    • 19

    Shower or two

    • 12
    • 18

    Cloudy

    • 13
    • 20

    Mostly sunny

    • 14
    • 21

    Partly cloudy

Today 3 Jan South East

Sunny. Winds west to northwesterly 15 to 20 km/h tending northeast to southeasterly in the middle of the day then becoming light in the late evening. Daytime maximum temperatures between 18 and 25.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds becoming variable about 10 knots in the middle of the day then becoming northeasterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure centre has establishing over the Tasman Sea and is directing a warmer north to northeasterly stream over the state. The airstream tends more northwesterly on Saturday as a trough approaches from the west, crossing early Sunday. The trough remains close to the northeast during Monday as a high over the Bight extends a ridge to the south of Tasmania, directing a southeasterly airstream over the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

January Temperature

Tasman Island (15km)

  • Lowest 2 January, 2025

    8.6 °C

  • Average January

    11.9 °C

  • Highest 1 January, 2025

    18.6 °C

Climate (2020–Present)

Tasman Island (15km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.4 °C

  • Average High 2020–2025

    14.5 °C
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