Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Wind light increasing to southeast 10 to 15 knots early this evening and to southwest 15 to 20 near midnight. Wind diminishing to west 10 to 15 Sunday afternoon then becoming light Sunday evening.
Showers overnight and Sunday morning with a risk of thunderstorms. Scattered showers Sunday evening. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 PM EDT 20 June 2025
Sunday
Wind southwest 10 to 15 knots.
Monday
Wind light.
Tuesday
Wind southwest 10 to 20 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 21 June 2025 Today Tonight and Sunday At 3:00 a.m. EDT today low 995 mb located near Gaspé.By 5:00 a.m. EDT Sunday low 998 mb located off Labrador.
At 3:00 a.m. EDT today ridge located from James Bay to Lake Ontario.
By 8:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Newfoundland.
At 8:00 p.m. EDT tonight low located over southern James Bay.
By 8:00 p.m. EDT Sunday weakening low located over New Brunswick.
Great Lakes - Lake Erie and Lake Ontario Area
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