Sisters Bay Weather Forecast
- 12
- 25
Showers. Possible storm
- 9
- 19
Partly cloudy
- 11
- 21
Sunny
- 10
- 15
Cloudy
- 8
- 16
Cloudy
- 10
- 18
Mostly sunny
- 11
- 18
Partly cloudy
Today 22 Feb South East
Partly cloudy. Very high chance of showers, becoming less likely in the evening. The chance of a thunderstorm in the afternoon, possibly severe with damaging winds and heavy rain which may lead to flash flooding. Winds north to northwesterly 25 to 40 km/h turning westerly 25 to 35 km/h in the late afternoon.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Northerly 20 to 30 knots shifting west to southwesterly in the evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- A high pressure system quickly clears to the east of Tasmania ahead of an approaching cold front expected to cross the state during this afternoon. Another high pressure system is forecast to move over Tasmania from the west on Monday before clearing over the Tasman Sea by Tuesday. A trough is forecast to extend over the northeast from the mainland on Tuesday, as a cold front clips the south of the state. Another high pressure ridge is expected to extend over Tasmania from the west on Wednesday.
Sisters Bay Temperature Statistics View More
February Temperature
Tasman Island (31km)
Lowest 2 February, 2026
6.9 °CAverage February
14.3 °CHighest 4 February, 2026
22.7 °C
Climate (2021–Present)
Tasman Island (31km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.5 °C