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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EDT 21 March 2023

Today Tonight and Wednesday.

Wind light increasing to west 15 to 25 knots near noon then diminishing to light this evening. Wind becoming northeast 10 to 15 Wednesday morning.

Scattered flurries ending this afternoon.

High today plus 5. Low tonight minus 8. High Wednesday plus 1.

Extended Forecast

Issued 06:00 PM EDT 20 March 2023
Wednesday Wind northeast 10 to 15 knots.
Thursday Wind northeast 10 to 15 knots veering to southeast 15.
Friday Wind west 15 knots.

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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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buoy Buoy
land station Land Station
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 March 2023 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located from Québec city to Lake
Huron.
By 8:00 p.m. EDT Wednesday trough located on a line
northeast-southwest over the Strait of Belle Isle.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over northern Ontario.
By 8:00 p.m. EDT Wednesday ridge located on a line
northwest-southeast over the Gaspe Peninsula.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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