Sisters Rocks Weather Forecast
- 8
- 12
Showers. Windy
- 6
- 13
Partly cloudy
- 8
- 13
Showers
- 7
- 12
Shower or two
- 6
- 11
Shower or two
- 6
- 14
Shower or two
- 5
- 12
Shower or two
Today 3 Sep South East
Cloudy. Very high chance of showers. Snow falling above 700 metres. The chance of a thunderstorm in the south in the late morning and afternoon. Possible small hail. Damaging winds possible. Winds northwesterly 30 to 45 km/h increasing to 35 to 55 km/h before dawn then turning westerly 40 to 60 km/h in the early morning. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching between 8 and 14.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- North to northwesterly 25 to 30 knots turning westerly 20 to 30 knots in the morning. Winds reaching up to 35 knots offshore during the afternoon and evening.
- Seas
- 2 to 3 metres, increasing to 2.5 to 4 metres offshore around midday.
- 1st Swell
- Southwesterly 1 to 2 metres inshore, increasing to 3 to 5 metres offshore.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore in the late morning and afternoon. Possible small hail from late this morning.
- Weather Situation
- A west to northwesterly airstream will strengthen ahead of a strong cold front expected to cross Tasmania early Thursday. Vigorous west to southwesterly flow will follow in the wake of the front, easing through Friday before a low pressure system approaches from the west early Saturday. This low is expected to cross southern Tasmania on Saturday, drawing a cold front over the state. Another west to southwesterly airstream is expected to follow the front with a trough approaching the west coast late Sunday.
Sisters Rocks Temperature Statistics View More
September Temperature
Tasman Island (31km)
Lowest 2 September, 2026
8.5 °CAverage September
11.1 °CHighest 1 September, 2026
15.9 °C
Climate (2021–2026)
Tasman Island (31km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14.6 °C