Beauport to L'Isle-aux-Coudres
Forecast
Marine Forecast
Issued 09:03 AM EDT 17 July 2025
Today Tonight and Friday.
Gale warning in effect.
Wind northeast 25 to 35 knots with gusts to 50 near thunderstorms today and early this evening. Wind diminishing to light early this evening with gusts to 50 near thunderstorms. Wind becoming westerly 15 after midnight. Wind westerly 15 Friday.
Showers ending near midnight with a risk of thunderstorms. Visibility 1 mile or less in showers.
Extended Forecast
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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)
Gale warning in effect
Beauport to L'Isle-aux-Coudres
Issued 09:03 AM EDT 17 July 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Watches (In effect)
Squall watch in effect
Beauport to L'Isle-aux-Coudres
Issued 05:53 AM EDT 17 July 2025 This afternoon and this evening, conditions will be favourable for the development of squalls with wind gusts up to 50 knots and frequent lightning.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 AM EDT 17 July 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 1004 mb located over Lake Huron.By 8:00 p.m. EDT Friday low 988 mb located over Labrador.
At 3:00 a.m. EDT today high located south of Manitoba.
By 8:00 p.m. EDT Friday high located over Lake Ontario.
St. Lawrence - St. Lawrence River Area
- Anticosti - northern half
- Anticosti - southern 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
- 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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