Sisters Bay Weather Forecast
- 9
- 18
Partly cloudy
- 9
- 22
Mostly sunny
- 12
- 23
Partly cloudy
- 12
- 22
Possible shower
- 11
- 21
Partly cloudy
- 11
- 19
Shower or two
- 12
- 19
Shower or two
Today 4 Jan South East
Partly cloudy. Winds south to southeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures between 17 and 21.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Southerly 10 to 15 knots, reaching up to 20 knots offshore in the late morning. Winds turning southeasterly in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A low pressure trough will linger off the east coast on Sunday. On Monday a ridge of high pressure will extend across from the northwest. The main high pressure centre will move eastwards on Tuesday but will continue to extend a ridge over Tasmania. Another ridge will extend across from the northwest on Wednesday.
Sisters Bay Temperature Statistics View More
January Temperature
Tasman Island (31km)
Lowest 1 January, 2026
9.9 °CAverage January
12.7 °CHighest 1 January, 2026
15.3 °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