Kingston to Cornwall
Forecast
Marine Forecast
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Wind light becoming southwest 10 knots this morning then increasing to southwest 15 near midnight. Wind diminishing to southwest 10 near noon Sunday then becoming light Sunday evening.
Scattered showers tonight and Sunday morning with a risk of thunderstorms.
Extended Forecast
Issued 03:00 AM EDT 21 June 2025
Monday
Wind light becoming southwest 15 knots in the
afternoon.
Tuesday
Wind light.
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 21 June 2025 Today Tonight and Sunday At 3:00 a.m. EDT today departing ridge located on a line north-southover western Quebec.
At 3:00 a.m. EDT today low 992 mb located over South Dakota.
By 3:00 a.m. EDT Sunday low 1001 mb located over southern Quebec.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western 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 - 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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