L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 AM EDT 30 April 2025
Today Tonight and Thursday.
Gale warning in effect.
Wind southwest 25 to 35 knots diminishing to west 15 to 25 early this morning and to west 10 to 15 near noon. Wind becoming light near midnight. Wind light Thursday.
Showers ending early this morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 30 April 2025
Today Tonight and Thursday.
Seas 1 to 2 metres subsiding to 1 or less this
morning.
Extended Forecast
Issued 06:00 AM EDT 30 April 2025
Friday
Wind northeast 25 to 35 knots becoming
southwest 20 to 30 late in the day.
Saturday
Wind southwest 20 to 30 knots diminishing to
light late in the day.
Sunday
Wind westerly 10 to 15 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)
Gale warning in effect
L'Isle-aux-Coudres to Tadoussac
Issued 06:13 AM EDT 30 April 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 30 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today low 992 mb located over northern SaguenayRiver.
By 8:00 p.m. EDT Thursday departing low 995 mb located off
Newfoundland.
At 3:00 a.m. EDT today high 1024 mb located over Lake Superior.
By 8:00 p.m. EDT tonight high 1021 mb located over northern
Sept-Îles.
At 11:00 a.m. EDT Thursday approaching low 1006 mb located near
Lake Michigan.
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
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