Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 AM EDT 17 June 2025
Today Tonight and Wednesday.
Wind light becoming southwest 10 to 15 knots early this afternoon then becoming light Wednesday evening.
Showers Wednesday late in the day with a risk of thunderstorms. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 AM EDT 17 June 2025
Thursday
Wind southwest 15 knots increasing to west 15
to 25 in the afternoon.
Friday
Wind west 10 to 20 knots.
Saturday
Wind light.
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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 17 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today quasi-stationary ridge located off NovaScotia.
At 3:00 a.m. EDT today low 1002 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday low 984 mb located over Labrador Sea.
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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