Waterfall Bay (Port Arthur) Weather Forecast
- 7
- 14
Clear
- 8
- 14
Partly cloudy
- 9
- 14
Possible shower
- 9
- 15
Partly cloudy
- 9
- 15
Partly cloudy
- 9
- 14
Possible shower
- 8
- 14
Shower or two
Today 16 Jul South East
Partly cloudy. Winds northwesterly 15 to 25 km/h.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- West to northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres offshore.
- 1st Swell
- Southwesterly 4 to 5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A west to northwesterly airstream will prevail over the state for the coming days as a near stationary high pressure centre over Victoria extends a ridge over Tasmania. Winds will tend more north to northwesterly on Sunday and into Monday as the high slowly moves to the east.
Waterfall Bay (Port Arthur) Temperature Statistics View More
July Temperature
Tasman Island (15km)
Lowest 4 July, 2026
3.9 °CAverage July
8.8 °CHighest 1 July, 2026
15.3 °C
Climate (2021–2026)
Tasman Island (15km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.6 °C