Beauport to L'Isle-aux-Coudres
Forecast
Marine Forecast
Issued 03:00 PM EDT 18 July 2025
Tonight and Saturday.
Strong wind warning in effect.
Wind southwest 15 to 25 knots diminishing to light late this evening then increasing to southwest 15 to 25 Saturday morning. Wind diminishing to light Saturday evening.
Scattered showers Saturday late in the day.
Extended Forecast
Issued 06:00 AM EDT 18 July 2025
Sunday
Wind southwest 10 to 15 knots veering to
northwest 10 to 15 in the afternoon.
Monday
Wind northwest 10 to 15 knots.
Tuesday
Wind light.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
There is no ice forecast issued for this area.
Warnings
Warnings (In effect)
Strong wind warning in effect
Beauport to L'Isle-aux-Coudres
Issued 3:00 PM EDT 18 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 PM EDT 18 July 2025 Tonight and Saturday At 3:00 p.m. EDT today low 990 mb located over Labrador.By 8:00 p.m. EDT Saturday low 987 mb located over Labrador Sea.
At 3:00 p.m. EDT today high located over the Great Lakes.
By 8:00 p.m. EDT Saturday departing high located near Cape Cod.
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 - 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
Another Region
- Date modified: