Waterfall Bay (Port Arthur) Weather Forecast
- 7
- 13
Showers increasing
- 7
- 10
Showers. Windy
- 7
- 12
Possible shower
- 6
- 11
Mostly sunny
- 6
- 12
Shower or two
- 7
- 13
Shower or two
- 7
- 13
Partly cloudy
Today 3 Jul South East
Partly cloudy. Very high chance of showers in the south, medium chance elsewhere. Snow falling above 800 metres. Possible small hail in the evening. Areas of morning frost. Winds north to northwesterly 15 to 25 km/h turning westerly 20 to 30 km/h during the morning then increasing to 25 to 40 km/h in the early afternoon. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 8 and 13.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Northwesterly 15 to 20 knots turning west to southwesterly 20 to 30 knots during the morning. Winds reaching up to 35 knots during the afternoon and evening.
- Seas
- 2 to 3 metres, increasing to 2 to 4 metres inshore during the afternoon.
- 1st Swell
- Southwesterly 2 to 2.5 metres, tending westerly 2 to 4 metres during the morning.
- Weather
- Partly cloudy. 95% chance of showers, with possible small hail in the late afternoon and evening. The chance of a thunderstorm in the early morning.
Waterfall Bay (Port Arthur) Temperature Statistics View More
July Temperature
Tasman Island (15km)
Lowest 2 July, 2026
10.1 °CAverage July
12 °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