Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 PM EST 20 January 2026
Tonight and Wednesday.
Wind west 15 to 25 knots diminishing to southwest 10 to 15 early Wednesday morning then becoming light Wednesday evening.
Scattered flurries Wednesday late in the day.
Low tonight minus 17. High Wednesday minus 10.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 06:00 PM EST 20 January 2026
Thursday
Wind southerly 15 knots increasing to
southwest 20 to 30 in the morning.
Friday
Wind light.
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 PM EST 20 January 2026 Tonight and Wednesday At 3:00 p.m. EST today trough located on a line northeast-southwestover Sept-Îles.
By 3:00 p.m. EST Wednesday departing trough located over Labrador
Sea.
At 3:00 p.m. EST today ridge located on a line northeast-southwest
over western Quebec.
By 7:00 p.m. EST Wednesday ridge located on a line
northwest-southeast over the Gulf of St. Lawrence.
By 7:00 p.m. EST Wednesday building low 1007 mb located over
Lake Superior.
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 - 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 - western half
- 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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