Sisters Bay Weather Forecast
- 5
- 10
Mostly clear
- 4
- 10
Mostly sunny
- 5
- 11
Mostly sunny
- 6
- 12
Mostly sunny
- 7
- 11
Shower or two
- 6
- 9
Showers
- 6
- 11
Showers
Today 8 Jul South East
Clear. Light winds.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- North to northeasterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure persists over Tasmania as the high centre slowly moves east this evening, to be over the Tasman Sea on Thursday and Friday. A northwesterly airstream will develop over the state later Friday, as a series of cold fronts slowly approach from the west. The first front is forecast to cross Tasmania later Saturday, with a westerly flow to follow on Sunday.
Sisters Bay Temperature Statistics View More
July Temperature
Tasman Island (31km)
Lowest 4 July, 2026
3.9 °CAverage July
8.9 °CHighest 1 July, 2026
15.3 °C
Climate (2021–2026)
Tasman Island (31km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.6 °C