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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EST 10 December 2019

Tonight and Wednesday.

Wind westerly 15 to 25 knots diminishing to northwest 10 to 15 this evening then becoming light near midnight. Wind increasing to southwest 15 to 25 early Wednesday afternoon then becoming southwest 20 to 30 Wednesday evening.

Flurries Wednesday late in the day. Visibility 1 mile or less in flurries.

Low tonight minus 12. High Wednesday minus 4.

Extended Forecast

Issued 06:00 PM EST 10 December 2019
Thursday Wind southwest 15 to 25 knots diminishing to southwest 10 to 15 in the morning.
Friday Wind southeasterly 15 knots.
Saturday Wind easterly 10 to 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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Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EST 10 December 2019 Tonight and Wednesday At 3:00 p.m. EST today cold front located on a line
northeast-southwest over Montréal.
By 7:00 a.m. EST Wednesday departing cold front located on a line
northeast-southwest over Nova Scotia.

At 3:00 p.m. EST today ridge located on a line east-west over
western Quebec.
By 7:00 p.m. EST Wednesday ridge located on a line north-south
over Pointe-des-Monts.

At 7:00 a.m. EST Wednesday trough located on a line
northwest-southeast over the Great Lakes.
By 7:00 p.m. EST Wednesday trough located on a line north-south
over Québec city.

Great Lakes - Lake Erie and Lake Ontario Area

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