Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 AM EDT 23 March 2025
Today Tonight and Monday.
Wind west 15 to 25 knots diminishing to west 10 to 15 this morning then becoming light early this evening. Wind becoming northeast 15 Monday morning.
Snow Monday afternoon and evening. Visibility 1 mile or less in snow.
High today minus 3. Low tonight minus 12. High Monday minus 2.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 06:00 AM EDT 23 March 2025
Tuesday
Wind southwest 15 to 25 knots.
Wednesday
Wind southwest 15 knots becoming northeast
10 to 15.
Thursday
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 23 March 2025 Today Tonight and Monday At 3:00 a.m. EDT today cold front located on a line north-southover Tadoussac.
By 8:00 p.m. EDT tonight departing cold front located on a line
north-south over the Gulf of St. Lawrence.
At 3:00 a.m. EDT today ridge located on a line north-south over
the Great Lakes.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
Cabot Strait.
At 3:00 a.m. EDT today low 998 mb located over the Midwestern
states.
By 8:00 p.m. EDT Monday low 1002 mb located northeast of Lake Huron.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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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