Waterfall Bay (Port Arthur) Weather Forecast
- 10
- 19
Becoming windy. Mostly sunny
- 10
- 21
Sunny
- 12
- 22
Showers
- 11
- 18
Shower or two
- 9
- 19
Partly cloudy
- 11
- 20
Partly cloudy
- 11
- 19
Showers increasing
Today 29 Oct South East
Partly cloudy. Medium chance of showers in the far south, most likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds westerly 30 to 45 km/h decreasing to 20 to 30 km/h in the evening. Daytime maximum temperatures between 13 and 20.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Westerly 25 to 30 knots, reaching up to 35 knots offshore in the afternoon.
- Seas
- 2.5 to 3 metres.
- 1st Swell
- Southwesterly 4 to 5 metres.
- Weather
- Cloudy. 60% chance of showers.
- Weather Situation
- A fresh west to southwesterly airstream persists over Tasmania, easing over the next few days as a ridge of high pressure extends down from Victoria. A cold front is forecast to cross the state on Saturday, before clearing to the east on Sunday with another ridge of high pressure expected to quickly follow.
Waterfall Bay (Port Arthur) Temperature Statistics View More
October Temperature
Tasman Island (15 km)
Lowest 13 October, 2026
4 °CAverage October
11.8 °CHighest 23 October, 2026
28.3 °C
Climate (2021–2026)
Tasman Island (15 km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14.7 °C