Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:14 PM EDT 22 March 2025
Tonight and Sunday.
Wind southwest 15 to 20 knots veering to west 15 to 25 this evening then becoming west 15 Sunday morning. Wind diminishing to light Sunday evening.
Showers and flurries this evening. Visibility as low as 1 mile in flurries.
Low tonight minus 11. High Sunday minus 3.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 06:00 PM EDT 22 March 2025
Monday
Wind northeast 15 to 25 knots.
Tuesday
Wind southwest 10 to 15 knots increasing to
southwest 15 to 25.
Wednesday
Wind southwest 10 to 15 knots becoming
northeast 10 to 15.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Watches (In effect)
Squall watch in effect
Donnacona to Beauport
Issued 12:53 PM EDT 22 March 2025 The passage of a vigorous cold front this evening could cause squalls to develop with wind gusts near 35 knots.Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 22 March 2025 Tonight and Sunday At 3:00 p.m. EDT today cold front located from Lake Saint-Jean toLake Ontario.
By 8:00 a.m. EDT Sunday departing cold front located on a line
north-south over Anticosti Island.
At 8:00 a.m. EDT Sunday ridge located on a line north-south over
Lake Ontario.
By 8:00 p.m. EDT Sunday ridge located on a line north-south over
Montréal.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- 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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