Sisters Bay Weather Forecast
- 9
- 13
Showers increasing
- 4
- 8
Showers. Becoming windy
- 4
- 10
Shower or two
- 5
- 11
Mostly sunny
- 6
- 12
Partly cloudy
- 6
- 12
Partly cloudy
- 6
- 11
Possible shower
Today 28 Jul South East
Cloudy. High chance of showers, becoming less likely in the evening with possible small hail in the far south. Snow falling above 700 metres. The chance of a thunderstorm in the far south in the late morning. Winds northerly 25 to 35 km/h turning northwesterly in the late morning. Daytime maximum temperatures between 10 and 16.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Northerly 20 to 25 knots, reaching up to 30 knots in the late morning and afternoon. Winds tending northwesterly 15 to 25 knots in the late afternoon.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 2 to 3 metres offshore.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the late afternoon and evening.
- Weather Situation
- A cold front is crossing Tasmania today, followed by a weaker trough later today with a cold southwesterly airstream to follow. The airstream will then tend more westerly during Thursday and Friday as a large high pressure centre establishes near the South Australian coast.
Sisters Bay Temperature Statistics View More
July Temperature
Tasman Island (31km)
Lowest 24 July, 2026
2.5 °CAverage July
9.6 °CHighest 19 July, 2026
17 °C
Climate (2021–2026)
Tasman Island (31km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.6 °C