Cornwall to Montréal
Forecast
Issued 03:00 AM EST 23 January 2026
Forecasts have ended for the season.
Strong wind warning program has ended for the season.
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
Ice Conditions
There is no ice forecast issued for this area.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EST 23 January 2026 Today Tonight and Saturday At 3:00 a.m. EST today trough located on a line northwest-southeastover Sept-Îles.
By 7:00 a.m. EST Saturday trough located on a line east-west
over Newfoundland.
At 7:00 p.m. EST tonight high 1048 mb located over the Midwestern
states.
By 7:00 p.m. EST tonight high 1041 mb located over northern Lake
Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
Another Region
- Date modified:
ATOM