Kingston to Cornwall
Forecast
Marine Forecast
Issued 06:30 PM EDT 04 September 2026
Tonight and Saturday.
Wind northwest 10 knots becoming light this evening. Wind light Saturday.
Scattered showers this evening. Scattered showers Saturday afternoon and evening with a risk of thunderstorms.
Extended Forecast
Issued 06:30 PM EDT 04 September 2026
Sunday
Wind light.
Monday
Wind light.
Tuesday
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 6:30 PM EDT 4 September 2026 Tonight and Saturday At 6:30 p.m. EDT tonight low 1003 mb located over Nova Scotia.By 6:30 p.m. EDT Saturday low 996 mb located east of Nova Scotia.
At 6:30 p.m. EDT tonight ridge located from Hudson Bay to Lake
Superior.
By 6:30 p.m. EDT Saturday ridge located on a line
northeast-southwest over northeastern Ontario.
At 6:30 p.m. EDT tonight trough located on a line north-south
over Saskatchewan.
By 6:30 p.m. EDT Saturday trough located on a line
northeast-southwest over northeastern Manitoba.
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 - northern half
- Gulf - Magdalen - southern 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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