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Cornwall to Montréal

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Issued 03:00 AM EST 20 January 2021

Forecasts have ended for the season.

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Map of Great Lakes - Lake Erie and Lake Ontario 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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Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 20 January 2021 Today Tonight and Thursday At 3:00 a.m. EST today dissipating trough located on a line
northwest-southeast over Trois-Rivières.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Superior.
By 7:00 p.m. EST Thursday ridge located on a line
northwest-southeast over the Gaspe Peninsula.

At 10:00 p.m. EST tonight low 988 mb located near Lake Superior.
By 7:00 p.m. EST Thursday low 996 mb located northwest of Montréal.

Great Lakes - Lake Erie and Lake Ontario Area

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