Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 PM EDT 12 July 2025
Tonight and Sunday.
Wind light becoming southwest 10 to 15 knots near noon Sunday.
Showers Sunday evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 PM EDT 12 July 2025
Monday
Wind southwest 10 to 15 knots.
Tuesday
Wind southwest 10 to 15 knots diminishing to
light late in the day.
Wednesday
Wind light becoming southwest 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 PM EDT 12 July 2025 Tonight and Sunday At 3:00 p.m. EDT today quasi-stationary high located over NovaScotia.
At 3:00 p.m. EDT today low 1001 mb located over northern Ontario.
By 3:00 a.m. EDT Monday low 987 mb located over eastern Hudson Bay.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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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