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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 20 July 2024

Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 15 to 25 knots diminishing to west 10 to 15 early this evening then becoming light near midnight. Wind becoming west 10 to 15 near noon Sunday then becoming light Sunday evening.

Scattered showers tonight with a risk of thunderstorms.

Extended Forecast

Issued 06:00 AM EDT 20 July 2024
Monday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Tuesday Wind northeast 10 to 15 knots becoming light.
Wednesday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 3:00 PM EDT 20 July 2024

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 20 July 2024 Tonight and Sunday At 3:00 p.m. EDT today cold front located on a line
northeast-southwest over southern Lake Saint-Jean.
By 8:00 a.m. EDT Sunday quasi-stationary cold front located on a
line northeast-southwest over the Gulf of St. Lawrence.

At 3:00 p.m. EDT today ridge located on a line north-south over
western Ontario.
By 8:00 p.m. EDT Sunday ridge located on a line northwest-southeast
over Lake Ontario.

Great Lakes - Lake Huron Area

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