Marion Bay Weather Forecast
- 7
- 16
Clear
- 3
- 16
Sunny
- 7
- 19
Partly cloudy
- 11
- 20
Possible shower
- 6
- 10
Showers
- 5
- 12
Shower or two
- 7
- 15
Partly cloudy
Today 11 Sep East Coast
Sunny. Light winds. Daytime maximum temperatures between 16 and 21.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- West to southwesterly 15 to 20 knots, reaching up to 30 knots offshore in the late afternoon. Winds tending west to northwesterly 10 to 15 knots in the late evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- South to southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over southern Victoria is forecast to move over the Tasman Sea by early Saturday and continue to slowly move east. A weak trough is expected to cross Tasmania late Sunday. A cold front is then expected to approach the state from the west on Monday, directing the flow northwesterly before crossing Tasmania overnight into early Tuesday. A southwesterly flow will establish over the state in its wake.
Marion Bay Temperature Statistics View More
September Temperature
Maria Island (Point Lesueur) (21km)
Lowest 9 September, 2026
7 °CAverage September
11.8 °CHighest 8 September, 2026
18 °C
Climate (2021–2026)
Maria Island (Point Lesueur) (21km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
16.9 °C