Swimcart Lagoon Entrance Weather Forecast
- 10
- 17
Cloudy
- 6
- 20
Partly cloudy
- 9
- 19
Showers
- 5
- 16
Partly cloudy
- 7
- 19
Cloudy
- 11
- 20
Cloudy
- 12
- 21
Shower or two
Today 4 Oct St Helens
Cloudy. Slight chance of a shower. Winds southeast to southwesterly 20 to 25 km/h becoming southeasterly 15 to 25 km/h in the early afternoon then becoming light in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds turning west to southwesterly 15 to 20 knots during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
- 1st Swell
- South to southeasterly around 1 metre inshore, increasing to 1 to 2 metres offshore around midday.
- Weather
- Cloudy. The chance of a thunderstorm offshore this morning.
- Weather Situation
- A low pressure system to the east of Tasmania is directing a southeasterly flow over the state. The flow will tend southwesterly as the low moves away to the southeast today. A cold front will approach from the west on Monday, crossing the state on Tuesday. A high pressure system is forecast to move in from the west on Wednesday.
Swimcart Lagoon Entrance Temperature Statistics View More
October Temperature
St Helens Aerodrome (12km)
Lowest 2 October, 2026
10.9 °CAverage October
14.3 °CHighest 1 October, 2026
22.4 °C
Climate (2021–2026)
St Helens Aerodrome (12km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.4 °C