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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 17 August 2019

Tonight and Sunday.

Wind southwest 10 to 15 knots with gusts to 30 near thunderstorms. Wind becoming light this evening. Wind light Sunday.

Showers ending late overnight. Risk of thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 17 August 2019
Monday Wind southwest 15 to 25 knots.
Tuesday Wind light becoming southwest 10 to 15 knots.
Wednesday 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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Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 17 August 2019 Tonight and Sunday At 3:00 p.m. EDT today quasi-stationary ridge located on a line
north-south over Nova Scotia.

At 3:00 p.m. EDT today trough located on a line northeast-southwest
over western Ontario.
By 8:00 p.m. EDT Sunday trough located on a line north-south over
Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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