L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 AM EDT 19 May 2025
Today Tonight and Tuesday.
Strong wind warning in effect.
Wind northeast 10 to 15 knots increasing to northeast 15 to 25 near noon then becoming northeast 15 this evening. Wind increasing to northeast 15 to 25 Tuesday morning.
Periods of rain ending near noon Tuesday. Visibility as low as 1 mile in rain.
Waves
Issued 03:00 AM EDT 19 May 2025
Today Tonight and Tuesday.
Seas 1 metre or less building to 1 to 2 Tuesday
morning.
Extended Forecast
Issued 06:00 AM EDT 19 May 2025
Wednesday
Wind northeast 15 to 25 knots.
Thursday
Wind northeast 20 to 30 knots.
Friday
Wind northeast 15 to 25 knots.
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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 04:38 AM EDT 19 May 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 May 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today low 994 mb located over New Brunswick.By 8:00 p.m. EDT Tuesday low 1002 mb located off Nova Scotia.
At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT tonight ridge located on a line north-south
over Montréal.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern 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 - northwestern 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 - western half
- 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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