Stewarts Bay Weather Forecast
- 11
- 20
Shower or two
- 10
- 17
Shower or two. Becoming windy
- 10
- 16
Showers increasing. Windy
- 8
- 15
Showers. Windy
- 9
- 17
Shower or two
- 11
- 20
Cloudy
- 12
- 23
Mostly sunny
Today 22 Dec South East
Cloudy. Medium chance of showers. Winds westerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots in the late afternoon.
- Seas
- 2 to 3 metres.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
- Weather
- Cloudy. 70% chance of showers.
- Weather Situation
- A ridge of high pressure across the mainland, directs a west to southwesterly flow over Tasmania until Thursday. Cold fronts embedded in this flow are expected to cross late this evening and again on Wednesday. The high pressure system then slowly moves over the state from Friday.
Stewarts Bay Temperature Statistics View More
December Temperature
Tasman Island (16km)
Lowest 7 December, 2025
5.4 °CAverage December
12.5 °CHighest 4 December, 2025
24.6 °C
Climate (2020–Present)
Tasman Island (16km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
11.5 °CAverage High 2020–2025
14.5 °C