Beauport to L'Isle-aux-Coudres
Forecast
Marine Forecast
Issued 03:00 PM EDT 15 August 2026
Tonight and Sunday.
Wind southwest 10 to 15 knots becoming light this evening then becoming southwest 10 to 15 late overnight. Wind southwest 10 to 15 Sunday.
Extended Forecast
Issued 06:00 AM EDT 15 August 2026
Monday
Wind light becoming southwest 10 to 15 knots in
the afternoon.
Tuesday
Wind light becoming southwest 10 to 15 knots
late in the day.
Wednesday
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 PM EDT 15 August 2026 Tonight and Sunday At 3:00 p.m. EDT today ridge located from Lake Ontario to James Bay.By 8:00 p.m. EDT Sunday ridge located on a line north-south over
Labrador Sea.
At 8:00 p.m. EDT Sunday approaching trough located from James Bay
to Lake Huron.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern 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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ATOM