Cascades Bay Weather Forecast
- 8
- 15
Showers
- 8
- 13
Showers. Becoming windy
- 9
- 16
Showers easing
- 10
- 19
Shower or two
- 10
- 17
Cloudy
- 11
- 18
Showers increasing
- 8
- 14
Showers. Windy
Today 11 Apr South East
Cloudy. Very high chance of showers. Snow falling above 800 metres. The chance of a thunderstorm in the far south. Possible small hail in the south. Damaging winds possible in the far south. Winds westerly 30 to 45 km/h.
Frederick Henry Bay and Norfolk Bay Boating
- Wind
- West to northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the late afternoon.
- Seas
- Around 1 metre.
- Weather
- Cloudy. 80% chance of showers.
- Weather Situation
- A high pressure system build over the Bight this evening and during Sunday, maintaining a cold southwesterly stream over Tasmania during the day. The high is expected to move to the north of Tasmania later Monday, extending and ridge over the state as it passes. A cold front approaches from the west on Tuesday and is expected to cross later in the day, with another front approaching from the west later Wednesday. These systems will maintain cooler weather over the state early next week.
Cascades Bay Temperature Statistics View More
April Temperature
Tasman Island (25km)
Lowest 3 April, 2026
8.4 °CAverage April
13.1 °CHighest 1 April, 2026
22 °C
Climate (2021–Present)
Tasman Island (25km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.5 °C