Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 PM EDT 07 July 2025
Tonight and Tuesday.
Wind northeast 15 to 20 knots diminishing to northeast 10 to 15 after midnight then becoming light Tuesday evening.
Showers ending overnight. Risk of thunderstorms late this afternoon and this evening. Mist forming overnight and dissipating Tuesday morning. Visibility as low as 1 mile in mist.
Extended Forecast
Issued 06:00 PM EDT 07 July 2025
Wednesday
Wind light.
Thursday
Wind light.
Friday
Wind light.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Watches (Ended)
Squall watch ended
Cornwall to Montréal
Issued 7:48 PM EDT 07 July 2025Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 7 July 2025 Tonight and Tuesday At 3:00 p.m. EDT today quasi-stationary ridge located from LakeSuperior to Sept-Îles.
At 3:00 p.m. EDT today low 1008 mb located over Lake Huron.
By 8:00 p.m. EDT Tuesday low 1010 mb located southeast of Nova
Scotia.
Great Lakes - Lake Huron Area
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