Henderson Lagoon Entrance Weather Forecast
- 8
- 23
Partly cloudy
- 14
- 27
Partly cloudy
- 12
- 20
Partly cloudy
- 8
- 20
Partly cloudy
- 7
- 22
Partly cloudy
- 10
- 27
Sunny
- 12
- 25
Cloudy
Today 12 Dec East Coast
Partly cloudy. Winds northerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- Northerly 20 to 30 knots.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system lies over the Tasman Sea and extends a broad ridge over Tasmania. A weak cold front is expected to cross Tasmania during Saturday, ahead of a second stronger cold front to cross early Sunday. The next high pressure system in the Bight builds a ridge over western Tasmania during Tuesday. The high is forecast to move eastwards over Tasmania by late Monday and into the Tasman Sea on Tuesday.
Henderson Lagoon Entrance Temperature Statistics View More
December Temperature
St Helens Aerodrome (18km)
Lowest 2 December, 2025
6.6 °CAverage December
15.4 °CHighest 4 December, 2025
27.3 °C
Climate (2020–Present)
St Helens Aerodrome (18km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
13.3 °CAverage High 2020–2025
18.2 °C