L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 PM EST 21 January 2026
Tonight and Thursday.
Wind southwest 20 to 30 knots diminishing to southwest 10 to 15 early this evening then becoming light near midnight. Wind increasing to northeast 10 to 15 near noon Thursday and to southwest 15 to 25 Thursday afternoon.
Flurries tonight and Thursday. Visibility as low as 1 mile in flurries.
Temperatures near minus 8.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EST 21 January 2026
Tonight and Thursday.
Mainly ice covered.
Extended Forecast
Issued 06:00 PM EST 21 January 2026
Friday
Wind southwest 15 knots.
Saturday
Wind northwest 15 knots backing to southwest
15.
Sunday
Wind light becoming northeast 15
knots.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EST 21 January 2026 Tonight and Thursday At 3:00 p.m. EST today ridge located on a line northwest-southeastover Sept-Îles.
By 7:00 a.m. EST Thursday departing ridge located on a line
northwest-southeast over Natashquan.
At 3:00 p.m. EST today building trough located on a line north-south
over Lake Superior.
By 7:00 p.m. EST Thursday trough located on a line
northwest-southeast over Rimouski.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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 - 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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