Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 23 November 2017

Today Tonight and Friday.

Wind west 10 to 15 knots backing to southwest 15 to 20 near noon then diminishing to southwest 10 to 15 overnight. Wind increasing to southwest 15 to 20 near noon Friday.

A few flurries this evening. Chance of showers Friday morning and afternoon. Visibility 1 mile or less in flurries.

High today zero. Low tonight zero. High Friday plus 7.

Extended Forecast

Issued 06:00 AM EST 23 November 2017
Saturday Wind southwest 15 to 25 knots.
Sunday Wind northwest 15 to 20 knots.
Monday Wind 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 23 November 2017 Today Tonight and Friday At 3:00 a.m. EST today trough located on a line northeast-southwest
over Lake Superior.
By 7:00 p.m. EST Friday departing trough located off Newfoundland.

At 3:00 a.m. EST today ridge located on a line north-south over
Manitoba.
By 7:00 p.m. EST Friday ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.

At 7:00 p.m. EST tonight warm front located on a line
northwest-southeast over Manitoba.
By 7:00 p.m. EST Friday warm front located from James Bay to
Québec city.

Great Lakes - Lake Erie and Lake Ontario Area

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