Sisters Bay Weather Forecast
- 6
- 12
Cloudy
- 6
- 13
Shower or two. Windy
- 7
- 15
Shower or two
- 8
- 19
Cloud clearing
- 13
- 22
Mostly sunny
- 14
- 21
Shower or two
- 10
- 16
Shower or two
Today 25 Dec South East
Cloudy. Slight chance of a shower, with possible small hail. Snow possible above 800 metres. Winds southwesterly 25 to 40 km/h.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Southwesterly 25 to 30 knots.
- Seas
- 3 metres.
- 1st Swell
- South to southwesterly 1 to 2 metres inshore, increasing to 2.5 to 3 metres offshore.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system south of the Bight slowly builds a ridge over Tasmania during Thursday and Friday. The high will then move to the south of Tasmania on Saturday before entering the Tasman Sea on Sunday. By late Monday a trough will begin to develop off the western coasts.
Sisters Bay Temperature Statistics View More
December Temperature
Maria Island (Point Lesueur) (32km)
Lowest 1 December, 2025
7.9 °CAverage December
14.9 °CHighest 4 December, 2025
29 °C
Climate (2020–Present)
Maria Island (Point Lesueur) (32km)
Average Low 2020–2025
10.7 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
16.8 °C