Beauport to L'Isle-aux-Coudres
Forecast
Marine Forecast
Issued 03:00 PM EDT 15 September 2026
Tonight and Wednesday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late overnight then diminishing to light Wednesday evening.
Scattered showers tonight and Wednesday late in the day.
Extended Forecast
Issued 06:00 PM EDT 15 September 2026
Thursday
Wind light.
Friday
Wind southwest 15 knots veering to northwest
15.
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
Warnings (In effect)
Strong wind warning in effect
Beauport to L'Isle-aux-Coudres
Issued 3:00 PM EDT 15 September 2026'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 15 September 2026 Tonight and Wednesday At 3:00 p.m. EDT today quasi-stationary high 1029 mb located nearCape Cod.
At 3:00 p.m. EDT today trough located on a line northeast-southwest
over Lake Michigan.
By 8:00 p.m. EDT Wednesday trough located on a line
northeast-southwest over the Gaspe Peninsula.
St. Lawrence - St. Lawrence River Area
- Anticosti
- 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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