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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 20 October 2021

Tonight and Thursday.

Wind light becoming easterly 10 to 15 knots late Thursday morning then veering to southerly 10 to 15 Thursday evening.

Periods of rain overnight and Thursday.

Extended Forecast

Issued 06:00 AM EDT 20 October 2021
Friday Wind west 15 to 25 knots.
Saturday Wind west 10 to 15 knots.
Sunday Wind southwest 10 to 15 knots.

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Weather Conditions

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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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Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 20 October 2021 Tonight and Thursday At 3:00 p.m. EDT today trough located on a line northwest-southeast
over Pointe-des-Monts.
By 2:00 p.m. EDT Thursday dissipating trough located on a line
east-west over Anticosti Island.

At 5:00 a.m. EDT Thursday low 1007 mb located over Lake Michigan.
By 8:00 p.m. EDT Thursday low 1004 mb located at 46.8N 75.5W.

Great Lakes - Lake Erie and Lake Ontario Area

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