An area of low pressure will impact the Maritimes today and Newfoundland on Wednesday.
Across parts of southern New Brunswick, rainfall amounts will range from 30 to 60 mm today through this evening. Winds will gust between 70 and 90 km/h.
Most of mainland Nova Scotia will see rainfall amounts between 20 and 40 mm, for regions along the Atlantic coast, rainfall amounts of 30 to 60 mm are expected by this evening.
Winds across Nova Scotia will be quite gusty with gusts between 70 and 90 km/h with gusts to 160 km/h in the Inverness County - Mabou and north region.
Very heavy rain is expected tonight and Wednesday in southwestern Newfoundland. Total rainfall amounts of 30 to 50 mm are expected, except 50 to 70 mm inland and over higher terrain. Areas inland over the west coast and on the Northern Peninsula will see rain change to freezing rain at times.
Western Newfoundland will experience very strong winds tonight through Wednesday morning. Most areas will see gusts between 90 and 130 km/h. In the Wreckhouse area, gusts to 140 km/h are expected.
Power outages and flooding are possible.
Snowfall amounts of 15 to 20 cm are expected for Labrador City and Wabush, elsewhere 5 to 15 cm are expected tonight and Wednesday morning.
Marine Atlantic is anticipating impacts to crossings scheduled for this evening.