L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 AM EDT 10 October 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind westerly 10 to 15 knots becoming light early this evening then increasing to southwest 10 to 20 overnight. Wind increasing to southwest 20 to 30 near noon Sunday.
Waves
Issued 03:00 AM EDT 10 October 2026
Today Tonight and Sunday.
Seas 1 metre or less.
Extended Forecast
Issued 06:00 AM EDT 10 October 2026
Monday
Wind southwest 15 to 25 knots increasing to
northeast 25 to 35 in the afternoon.
Tuesday
Wind northeast 15 to 25 knots.
Wednesday
Wind northeast 15 to 25 knots diminishing to
light late in the day.
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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 10 October 2026'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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 10 October 2026 Today Tonight and Sunday At 3:00 a.m. EDT today intensifying ridge located on a linenorthwest-southeast over western Quebec.
By 2:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Nova Scotia.
At 2:00 p.m. EDT Sunday low 1007 mb located near James Bay.
By 8:00 p.m. EDT Sunday low 1006 mb located north of Lake
Saint-Jean.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern 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 - 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
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