Margerys Corner Weather Forecast
- 12
- 23
Mostly clear
- 9
- 23
Windy. Sunny
- 8
- 17
Mostly sunny
- 1
- 17
Mostly sunny
- 4
- 19
Sunny
- 7
- 20
Partly cloudy
- 10
- 24
Possible shower
Today 19 Sep St Helens
Mostly clear. Light winds.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A high to the north of Tasmania will extend of a weak ridge over Tasmania evening, with a warm northwesterly stream expected on Sunday ahead of a cold front to cross the state in the evening. The flow will tend colder southwesterly on Monday morning, with a high to establish over the Bight later Monday. This high is expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday.
Margerys Corner Temperature Statistics View More
September Temperature
St Helens Aerodrome (18km)
Lowest 17 September, 2026
2.2 °CAverage September
11.9 °CHighest 10 September, 2026
22.2 °C
Climate (2021–2026)
St Helens Aerodrome (18km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C