Cornwall to Montréal
Issued 03:00 PM EDT 17 August 2019
Tonight and Sunday.
Wind southwest 10 to 15 knots with gusts to 30 near thunderstorms. Wind becoming light this evening. Wind light Sunday.
Showers ending late overnight. Risk of thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in showers.
Zoom-in to make a selection
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 PM EDT 17 August 2019 Tonight and Sunday At 3:00 p.m. EDT today quasi-stationary ridge located on a line
north-south over Nova Scotia.
At 3:00 p.m. EDT today trough located on a line northeast-southwest
over western Ontario.
By 8:00 p.m. EDT Sunday trough located on a line north-south over
Great Lakes - Lake Erie and Lake Ontario 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: