Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 AM EDT 19 July 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind light increasing to southwest 15 to 25 knots this morning then diminishing to light this evening. Wind becoming northwest 15 Sunday evening.
Showers tonight and Sunday. Risk of thunderstorms Sunday afternoon. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 PM EDT 18 July 2025
Sunday
Wind light becoming northwest 15 knots in the
afternoon.
Monday
Wind northwest 10 to 15 knots.
Tuesday
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
Donnacona to Beauport
Issued 03:00 AM EDT 19 July 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 19 July 2025 Today Tonight and Sunday At 3:00 a.m. EDT today departing low 982 mb located over LabradorCoast.
At 3:00 a.m. EDT today high located south of Cornwall.
By 8:00 p.m. EDT tonight departing high located near Cape Cod.
At 8:00 p.m. EDT tonight trough located from Sept-Îles to Lake
Huron.
By 8:00 p.m. EDT Sunday trough located from Natashquan to the Gulf
of Maine.
St. Lawrence - St. Lawrence River Area
- Anticosti
- 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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