Cornwall to Montréal
Issued 03:00 PM EDT 20 April 2021
Tonight and Wednesday.
Wind southwest 20 to 30 knots diminishing to southwest 10 to 20 early this evening then becoming light near midnight. Wind light Wednesday.
Snow Wednesday afternoon and evening. Visibility as low as 1 mile in snow.
Temperatures plus 9 falling to zero Wednesday evening.
Strong wind warning program has ended for the season.
Zoom-in to make a selection
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 PM EDT 20 April 2021 Tonight and Wednesday At 3:00 p.m. EDT today trough located on a line north-south over
By 8:00 a.m. EDT Wednesday departing trough located on a line
northwest-southeast over Anticosti Island.
At 8:00 a.m. EDT Wednesday low 1004 mb located southeast of the
By 8:00 p.m. EDT Wednesday intensifying low 994 mb located over
Great Lakes - Lake Huron Area
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
What we are doing
- Date modified: