Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 11 December 2017

Today Tonight and Tuesday.

Wind northerly 10 to 15 knots becoming light early this evening then increasing to northeast 10 to 20 near midnight. Wind increasing to northeast 20 to 30 Tuesday morning.

Snow beginning after midnight changing to snow at times heavy Tuesday morning. Visibility 1 mile or less in snow.

High today minus 3. Low tonight minus 12. High Tuesday minus 5.

Extended Forecast

Issued 06:00 AM EST 11 December 2017
Wednesday Wind westerly 10 to 20 knots increasing to westerly 25 to 35 in the morning.
Thursday Wind westerly 25 to 35 knots diminishing to westerly 10 to 20.
Friday Wind westerly 10 to 20 knots becoming light.

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Weather Conditions

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 11 December 2017 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Huron.
By 7:00 p.m. EST Tuesday ridge located on a line northwest-southeast
over the Strait of Belle Isle.

At 3:00 a.m. EST today intensifying low 1006 mb located west of
Lake Superior.
By 7:00 p.m. EST Tuesday intensifying low 989 mb located over the
Gulf of Maine.

Great Lakes - Lake Erie and Lake Ontario Area

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