Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 PM EDT 07 May 2025
Tonight and Thursday.
Wind light becoming northwest 15 knots early this evening then diminishing to light Thursday morning. Wind becoming northeast 10 to 15 Thursday evening.
Showers ending this evening.
Extended Forecast
Issued 06:00 AM EDT 07 May 2025
Friday
Wind northeast 15 to 25 knots.
Saturday
Wind west 10 to 15 knots.
Sunday
Wind north 15 to 25 knots diminishing to
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 PM EDT 7 May 2025 Tonight and Thursday At 3:00 p.m. EDT today low 1010 mb located over southern Quebec.By noon EDT Thursday weakening low 1014 mb located over the Gulf
of St. Lawrence.
At 3:00 p.m. EDT today ridge located on a line northeast-southwest
over northern Ontario.
By 8:00 p.m. EDT Thursday ridge located from the Great Lakes
to Labrador.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western 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 - western half
- 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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