Sisters Bay Weather Forecast
- 6
- 10
Partly cloudy
- 7
- 10
Shower or two
- 5
- 11
Showers
- 5
- 11
Shower or two
- 8
- 13
Showers increasing
- 5
- 8
Shower or two
- 5
- 10
Shower or two
Today 9 Jul South East
Partly cloudy. Winds northerly 15 to 25 km/h.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Northwesterly 15 to 20 knots turning northerly in the evening. Winds reaching up to 25 knots offshore in the late evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 2 to 3 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front approaching from the west is forecast to cross Tasmania during Thursday morning. A southwesterly flow will develop over the state on Thursday afternoon and evening, before a second cold front is forecast to brush the south and west of the state during Friday. A high pressure system over mainland Australia is expected to extend a ridge over Tasmania early Saturday, with a northwesterly stream to develop on Saturday afternoon.
Sisters Bay Temperature Statistics View More
July Temperature
Tasman Island (31km)
Lowest 4 July, 2025
6.6 °CAverage July
9.7 °CHighest 6 July, 2025
13.9 °C
Climate (2020–Present)
Tasman Island (31km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
11.5 °CAverage High 2020–2025
14.6 °C