Kingston to Cornwall
Forecast
Marine Forecast
Issued 03:00 AM EDT 16 July 2025
Today Tonight and Thursday.
Wind light becoming southwest 10 knots near noon then increasing to southwest 15 near noon Thursday. Wind veering to northwest 15 Thursday evening.
Scattered showers tonight and Thursday with a risk of thunderstorms.
Extended Forecast
Issued 03:00 AM EDT 16 July 2025
Friday
Wind light.
Saturday
Wind light.
Sunday
Wind light.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


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 16 July 2025 Today Tonight and Thursday At 3:00 a.m. EDT today trough located on a line northeast-southwestover Whitefish Bay.
By 3:00 a.m. EDT Thursday trough located on a line
northeast-southwest over Georgian Bay.
At 3:00 a.m. EDT today low 1010 mb located over Iowa.
By 3:00 a.m. EDT Thursday low 1006 mb located over Lower Michigan.
At 3:00 a.m. EDT today high 1025 mb located over southeastern
Alberta.
By 3:00 a.m. EDT Thursday high 1020 mb located over North Dakota.
St. Lawrence - St. Lawrence River Area
- Anticosti - northern half
- Anticosti - southern 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
- 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
Another Region
- Date modified: