L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 AM EDT 18 July 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind light increasing to westerly 10 to 15 knots early this morning and to southwest 15 to 25 Saturday morning. Wind diminishing to light Saturday evening.
Scattered showers this evening and Saturday late in the day.
Waves
Issued 03:00 AM EDT 18 July 2025
Today Tonight and Saturday.
Seas 1 metre or less.
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.
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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
L'Isle-aux-Coudres to Tadoussac
Issued 03:00 AM 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 AM EDT 18 July 2025 Today Tonight and Saturday At 3:00 a.m. EDT today low 994 mb located near Sept-Îles.By 8:00 p.m. EDT Saturday low 987 mb located over Labrador Sea.
At 3:00 a.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 - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - western 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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