Sisters Bay Weather Forecast
- 14
- 22
Partly cloudy
- 14
- 21
Mostly sunny
- 14
- 21
Partly cloudy
- 9
- 17
Partly cloudy
- 9
- 19
Mostly sunny
- 10
- 15
Partly cloudy
- 11
- 18
Mostly sunny
Today 24 Apr South East
Partly cloudy. Winds north to northwesterly 20 to 30 km/h.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A near-stationary high-pressure system over the Tasman Sea extends a ridge across Tasmania. A northwesterly airstream has developed across the state ahead of a cold front approaching from the west on Saturday. The front is expected to slow and weaken, crossing as a weak trough on Sunday, before the ridge re-establishes on Monday. Freshening northwesterly winds on Tuesday ahead of an approaching cold front.
Sisters Bay Temperature Statistics View More
April Temperature
Tasman Island (31km)
Lowest 13 April, 2026
5.8 °CAverage April
11.8 °CHighest 1 April, 2026
22 °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