Mercury Passage Weather Forecast
- 9
- 15
Partly cloudy
- 9
- 14
Partly cloudy
- 7
- 15
Late shower or two
- 8
- 13
Shower or two
- 7
- 12
Shower or two
- 7
- 12
Shower or two
- 8
- 15
Shower or two
Today 31 Aug East Coast
Partly cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h. Daytime maximum temperatures between 11 and 16.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Westerly 15 to 20 knots, reaching up to 30 knots offshore in the evening.
- Seas
- 1 to 1.5 metres, increasing to 2 to 3 metres offshore.
- 1st Swell
- Southwesterly 1 to 2 metres inshore, increasing to 2 to 4 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over South Australia maintains a westerly stream over Tasmania. A cold front will pass to the south of the state on Monday. A northwesterly airstream develops on Tuesday ahead of an approaching cold front, expected to move over the state Tuesday and Wednesday.
Mercury Passage Temperature Statistics View More
August Temperature
Maria Island (Point Lesueur) (5km)
Lowest 17 August, 2025
4.8 °CAverage August
10.8 °CHighest 5 August, 2025
16.5 °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