Cape Boullanger Weather Forecast
- 10
- 16
Becoming cloudy
- 9
- 16
Mostly sunny
- 10
- 17
Mostly sunny
- 11
- 18
Partly cloudy
- 12
- 18
Possible shower
- 9
- 14
Shower or two
- 9
- 15
Shower or two
Today 20 May East Coast
Partly cloudy. Winds west to southwesterly 20 to 30 km/h becoming light in the late evening. Daytime maximum temperatures between 12 and 17.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Southwesterly 15 to 25 knots, reaching up to 30 knots offshore in the late morning and afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
- 1st Swell
- Southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore during the morning.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure centre near the South Australian coast extends a ridge of high pressure to the west of Tasmania. The ridge slowly approaches Tasmania and is expected to cross during Thursday and Friday, bringing mostly settled weather to the state. The high is then forecast to move to the east of Tasmania later Friday as a cold front approaches from the west during Saturday.
Cape Boullanger Temperature Statistics View More
May Temperature
Maria Island (Point Lesueur) (11km)
Lowest 7 May, 2026
7 °CAverage May
14.5 °CHighest 1 May, 2026
23.3 °C
Climate (2021–Present)
Maria Island (Point Lesueur) (11km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
16.9 °C