Swimcart Lagoon Entrance Weather Forecast
- 8
- 16
Clear
- 4
- 19
Sunny
- 6
- 15
Becoming cloudy
- 5
- 20
Sunny
- 5
- 20
Sunny
- 6
- 19
Partly cloudy
- 8
- 21
Possible shower
Today 7 Sep St Helens
Clear. Light winds.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- South to southwesterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A ridge of high pressure over the bight and Victoria is extending a southwesterly flow across the state. A cold front is expected to cross Tasmania late Tuesday, before the ridge of high pressure approaches from the west thereafter and a southwesterly flow reestablishes.
Swimcart Lagoon Entrance Temperature Statistics View More
September Temperature
St Helens Aerodrome (12km)
Lowest 4 September, 2026
6.1 °CAverage September
12.7 °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