Cascades Bay - Shelly Beach Weather Forecast
- 10
- 17
Cloudy
- 10
- 19
Partly cloudy
- 11
- 20
Cloudy
- 13
- 21
Partly cloudy
- 13
- 20
Cloudy
- 12
- 22
Partly cloudy
- 13
- 23
Mostly sunny
Today 31 Dec South East
Partly cloudy. Winds west to southwesterly 25 to 35 km/h tending south to southwesterly in the morning then tending west to southwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures between 14 and 19.
Frederick Henry Bay and Norfolk Bay Boating
- Wind
- South to southwesterly 15 to 25 knots.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure will strengthen over the state from the west during today. This ridge will persist over the coming days until a trough develops west of Bass Strait late Friday. This trough will extend over the northwest early Saturday and is expected to cross Tasmania by the evening.
Cascades Bay - Shelly Beach Temperature Statistics View More
December Temperature
Tasman Island (24km)
Lowest 25 December, 2025
5.3 °CAverage December
12 °CHighest 4 December, 2025
24.6 °C
Climate (2020–Present)
Tasman Island (24km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
11.5 °CAverage High 2020–2025
14.5 °C