Denison Beach Weather Forecast
- 14
- 27
Partly cloudy
- 13
- 19
Showers increasing
- 12
- 22
Shower or two
- 12
- 19
Shower or two
- 11
- 19
Partly cloudy
- 10
- 18
Partly cloudy
- 11
- 19
Partly cloudy
Today 20 Dec East Coast
Mostly sunny. Winds northwest to southwesterly 15 to 25 km/h tending southeast to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening. Daytime maximum temperatures 23 to 28.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- North to northwesterly 15 to 20 knots, reaching up to 25 knots offshore in the afternoon. Winds shifting south to southeasterly in the late afternoon.
- Seas
- 1 to 2 metres.
- 1st Swell
- Northeasterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
- Weather
- Mostly sunny.
- Weather Situation
- A broad low pressure system lies to the west of Tasmania and is forecast to deepen and slowly move south east over Tasmania during Saturday and clear the State to the south on Sunday. A second, more intense, low pressure system is then forecast to move across Bass Strait Sunday and clear to the east Monday morning. A ridge of high pressure then extends across Tasmania and persists Monday and Tuesday to direct a westerly flow.
Denison Beach Temperature Statistics View More
December Temperature
Bicheno (Council Depot) (6km)
Lowest 1 December, 2025
5.5 °CAverage December
16.1 °CHighest 4 December, 2025
32 °C
Climate (2020–Present)
Bicheno (Council Depot) (6km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
14.2 °CAverage High 2020–2025
18.1 °C