Mercury Passage Weather Forecast
- 7
- 13
Clear
- 7
- 14
Mostly sunny
- 9
- 13
Shower or two. Windy
- 7
- 13
Mostly sunny
- 8
- 14
Partly cloudy
- 10
- 15
Mostly sunny
- 9
- 14
Possible shower
Today 17 Jul East Coast
Clear. Winds westerly 15 to 25 km/h turning northwesterly 15 to 20 km/h in the late evening.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 2 to 3 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A broad westerly airstream persists over Tasmania until a cold front is expected to cross from the west during Saturday afternoon. Westerlies return on Sunday, as a high pressure system over mainland Australia moves into the Tasman Sea by Monday. Winds are expected to shift northerly on Monday as the high sits over the Tasman Sea and a low pressure system deepens well to the west of Tasmania over the Southern Ocean.
Mercury Passage Temperature Statistics View More
July Temperature
Maria Island (Point Lesueur) (5km)
Lowest 1 July, 2025
4.7 °CAverage July
10 °CHighest 13 July, 2025
15.1 °C
Climate (2020–Present)
Maria Island (Point Lesueur) (5km)
Average Low 2020–2025
10.8 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
16.8 °C