Beauport to L'Isle-aux-Coudres
Forecast
Marine Forecast
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late this morning then diminishing to light early this evening. Wind light Monday.
Rain today becoming snow or rain and ending this evening. Visibility as low as 1 mile in precipitation.
Temperatures plus 7 falling to minus 3 near midnight.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 06:00 PM EDT 18 April 2026
Monday
Wind westerly 15 knots.
Tuesday
Wind light becoming southwest 10 to 15 knots
late in the day.
Wednesday
Wind light.
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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 AM EDT 19 April 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing high 1030 mb located offNewfoundland.
At 3:00 a.m. EDT today trough located on a line north-south over
Montréal.
By 6:00 a.m. EDT Monday departing trough located on a line
north-south over the Gulf of St. Lawrence.
At 3:00 a.m. EDT today high 1028 mb located over Manitoba.
By 8:00 p.m. EDT Monday high 1030 mb located over southern Ontario.
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 - 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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- Date modified:
ATOM