Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday.
Wind light becoming southwest 10 to 15 knots this morning then becoming light this evening. Wind becoming southwest 10 to 15 near noon Tuesday then becoming light Tuesday evening.
Extended Forecast
Issued 06:00 AM EDT 14 July 2025
Wednesday
Wind light becoming southwest 10 to 15 knots
in the morning.
Thursday
Wind light increasing to southwest 10 to 20
knots late in the day.
Friday
Wind northwest 10 to 15 knots.
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Weather Conditions
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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 EDT 14 July 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line northwest-southeastover Lake Superior.
By 8:00 p.m. EDT Tuesday trough located on a line
northeast-southwest over Havre Saint-Pierre.
At 8:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over Montréal.
By 8:00 p.m. EDT Tuesday ridge located on a line east-west over
James Bay.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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