Sisters Bay Weather Forecast
- 4
- 10
Showers. Windy
- 4
- 12
Shower or two
- 6
- 13
Cloudy
- 7
- 16
Partly cloudy
- 9
- 19
Sunny
- 11
- 20
Mostly sunny
- 12
- 21
Mostly sunny
Today 13 Oct South East
Cloudy. Very high chance of showers, most likely in the morning and afternoon. Snow falling above 300 metres. The chance of a thunderstorm in the morning and early afternoon. Possible small hail. Damaging winds possible. Winds west to northwesterly 25 to 40 km/h tending west to southwesterly 35 to 55 km/h during the morning and early afternoon. Overnight temperatures falling to between 1 and 7 with daytime temperatures reaching between 7 and 13.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Westerly 25 to 30 knots, reaching up to 40 knots during the day. Winds turning southwesterly in the early afternoon.
- Seas
- 2 to 3 metres, increasing to 3 to 4 metres around midday.
- 1st Swell
- Southwesterly 2 to 3 metres, increasing to 3 to 5 metres around midday.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore during this afternoon and early evening. Possible small hail.
- Weather Situation
- A cold front crosses the state early this morning. Cold west to southwesterly are forecast to follow the front before a high pressure centre approach the west of Tasmania during Wednesday. The high is expected to move over the state Thursday, before moving away to the east, over the Tasman Sea, on Friday.
Sisters Bay Temperature Statistics View More
October Temperature
Tasman Island (31 km)
Lowest 7 October, 2026
5.2 °CAverage October
11.2 °CHighest 10 October, 2026
18.8 °C
Climate (2021–2026)
Tasman Island (31 km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14.7 °C