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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 21 May 2024

Tonight and Wednesday.

Wind southwest 10 to 15 knots with gusts to 40 near thunderstorms. Wind becoming light this evening then becoming southwest 10 to 15 Wednesday morning.

Showers ending near midnight with a risk of thunderstorms. Scattered showers Wednesday evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 21 May 2024
Thursday Wind southwest 15 to 25 knots.
Friday Wind southwest 15 to 25 knots diminishing to northwest 10 to 15 late in the day.
Saturday Wind light.

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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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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 PM EDT 21 May 2024 Tonight and Wednesday At 3:00 p.m. EDT today departing trough located on a line
north-south over Newfoundland.

At 3:00 p.m. EDT today quasi-stationary flat low located over
southern Quebec.

At 8:00 a.m. EDT Wednesday trough located on a line north-south
over Lake Huron.
By 8:00 p.m. EDT Wednesday trough located on a line north-south
over western Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

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