Swimcart Lagoon Entrance Weather Forecast
- 4
- 19
Sunny
- 6
- 15
Partly cloudy
- 5
- 21
Sunny
- 4
- 20
Sunny
- 7
- 19
Partly cloudy
- 8
- 20
Partly cloudy
- 13
- 21
Possible shower
Today 8 Sep St Helens
Sunny. Winds northwesterly 20 to 30 km/h.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 20 to 30 knots.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front is expected to cross Tasmania this evening, before a ridge of high pressure approaches from the west, with a southwesterly flow establishing itself over the state.
Swimcart Lagoon Entrance Temperature Statistics View More
September Temperature
St Helens Aerodrome (12km)
Lowest 4 September, 2026
6.1 °CAverage September
12.5 °CHighest 1 September, 2026
17.3 °C
Climate (2021–2026)
St Helens Aerodrome (12km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C