Swimcart Lagoon Entrance Weather Forecast
- 6
- 17
Mostly sunny
- 7
- 18
Shower or two. Becoming windy
- 8
- 16
Partly cloudy
- 11
- 17
Shower or two. Becoming windy
- 7
- 17
Shower or two
- 10
- 16
Showers
- 7
- 15
Possible shower
Today 31 Aug St Helens
Mostly sunny. Light winds.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots offshore during the morning and again in the late evening.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge extends over the southern mainland maintaining a westerly flow over Tasmania today, before the high centre drifts into the Tasman Sea later tonight. A cold front is expected to approach from the west and cross Tasmania on Tuesday, followed by persistent westerly flow for the remainder of the week. A cold front embedded in the westerly flow is forecast to cross during Thursday.
Swimcart Lagoon Entrance Temperature Statistics View More
August Temperature
St Helens Aerodrome (12km)
Lowest 23 August, 2026
2.5 °CAverage August
10.9 °CHighest 29 August, 2026
19.4 °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