Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 May 2025
Today Tonight and Wednesday.
Strong wind warning in effect.
Wind light increasing to northeast 10 to 15 knots early this morning and to northeast 15 to 25 this afternoon. Wind becoming northeast 15 near midnight then increasing to northeast 15 to 25 Wednesday afternoon.
Showers ending this morning.
Extended Forecast
Issued 06:00 AM EDT 20 May 2025
Thursday
Wind northeast 15 knots.
Friday
Wind northeast 15 to 25 knots.
Saturday
Wind northeast 15 knots.
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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
Donnacona to Beauport
Issued 03:00 AM EDT 20 May 2025'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 or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 20 May 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south overLake Erie.
By 8:00 p.m. EDT Wednesday ridge located on a line
northeast-southwest over Anticosti Island.
At 2:00 a.m. EDT Wednesday low 1004 mb located south of Lake
Michigan.
By 8:00 p.m. EDT Wednesday low 1001 mb located over Lake Erie.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- 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 - northwestern 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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