Kingston to Cornwall
Forecast
Marine Forecast
Issued 03:00 AM EDT 09 July 2025
Today Tonight and Thursday.
Wind light today tonight and Thursday.
Scattered showers tonight with a risk of thunderstorms. Scattered showers Thursday late in the day with a risk of thunderstorms.
Extended Forecast
Issued 03:00 AM EDT 09 July 2025
Friday
Wind light.
Saturday
Wind light.
Sunday
Wind light becoming southwest 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 AM EDT 9 July 2025 Today Tonight and Thursday At 3:00 a.m. EDT today trough located on a line east-west overnorthern Lower Michigan.
By 3:00 a.m. EDT Thursday trough located on a line east-west
over Pennsylvania.
At 3:00 a.m. EDT today ridge located from Quebec to Lake of
the Woods.
By 3:00 a.m. EDT Thursday ridge located on a line
northeast-southwest over northeastern Ontario.
By 3:00 a.m. EDT Thursday approaching trough located on a line
northeast-southwest over western North Dakota.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- 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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