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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EDT 20 March 2023

Today Tonight and Tuesday.

Wind southwest 10 to 15 knots increasing to southwest 20 to 30 early this morning then diminishing to southwest 15 early this evening. Wind diminishing to light overnight then becoming west 15 Tuesday afternoon. Wind diminishing to light Tuesday evening.

Scattered flurries Tuesday.

High today plus 3. Low tonight minus 2. High Tuesday plus 3.

Extended Forecast

Issued 06:00 AM 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 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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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 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. EDT today low 976 mb located southeast of Labrador.
By 3:00 a.m. EDT Tuesday departing low 981 mb located off Labrador.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Superior.
By 8:00 p.m. EDT Tuesday trough located on a line
northeast-southwest over New Brunswick.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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