Swimcart Lagoon Entrance Weather Forecast
- 13
- 20
Cloudy
- 12
- 20
Partly cloudy
- 11
- 19
Possible shower
- 8
- 19
Mostly sunny
- 7
- 18
Mostly sunny
- 6
- 17
Sunny
- 6
- 19
Mostly sunny
Today 16 May St Helens
Cloudy. Slight chance of a shower. Winds northerly 15 to 20 km/h.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northerly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Northeasterly 1 to 1.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A slow moving high pressure system near New Zealand is directing a mild north to northeasterly airstream over Tasmania. A trough is expected to slowly move eastwards across Tasmania Sunday and Monday. A weak cold front is then forecast to approach the west during Monday, and cross over the state on Tuesday.
Swimcart Lagoon Entrance Temperature Statistics View More
May Temperature
St Helens Aerodrome (12km)
Lowest 8 May, 2026
6.1 °CAverage May
13.5 °CHighest 1 May, 2026
24.9 °C
Climate (2021–Present)
St Helens Aerodrome (12km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C