Waterfall Bay (Port Arthur) Weather Forecast

    • 11
    • 13

    Light showers

    • 6
    • 13

    Partly cloudy

    • 6
    • 14

    Partly cloudy

    • 7
    • 14

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 10
    • 16

    Possible shower

    • 11
    • 16

    Shower or two

Today 14 Aug South East

Cloudy. Very high chance of showers, becoming less likely in the evening. Snow falling above 1000 metres. Winds west to northwesterly 20 to 30 km/h turning southwesterly in the early afternoon then becoming light in the late evening. Daytime maximum temperatures between 8 and 14.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the late morning. Winds decreasing to about 10 knots in the late evening.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing below 1 metre later in the evening.
1st Swell
Southwesterly 2.5 to 4 metres inshore, increasing to 5 to 6 metres offshore.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A high pressure system over the mainland is forecast to direct a westerly flow over Tasmania today, with a weak cold front expected to brush the south of the state during this morning. The high will moves over Tasmania on Saturday and Sunday, then is expected to move to the east of the state during Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Waterfall Bay (Port Arthur) Temperature Statistics View More

August Temperature

Tasman Island (15km)

  • Lowest 5 August, 2026

    6.5 °C

  • Average August

    9.8 °C

  • Highest 1 August, 2026

    13.7 °C

Climate (2021–2026)

Tasman Island (15km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.6 °C
Get WillyWeather+ to remove ads