Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 21 November 2018

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 15 to 25 knots increasing to northwest 25 to 35 late this morning then diminishing to northwest 20 to 25 near midnight. Wind diminishing to northwest 10 to 15 Thursday evening.

Snow beginning early this morning and ending late this afternoon. Visibility 1 mile or less in snow.

High today minus 2. Low tonight minus 15. High Thursday minus 7.

Extended Forecast

Issued 06:00 AM EST 21 November 2018
Friday Wind southwest 15 knots.
Saturday Wind light becoming northeast 10 to 15 knots.
Sunday Wind northeast 15 knots.

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Map of Great Lakes - Lake Huron 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

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 03:00 AM EST 21 November 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 21 November 2018 Today Tonight and Thursday At 3:00 a.m. EST today trough located on a line northeast-southwest
over Trois-Rivières.
By 3:00 p.m. EST today trough located on a line east-west over
Sept-Îles.

At 3:00 a.m. EST today low 1007 mb located over Lake Huron.
By 7:00 p.m. EST Thursday deepening low 994 mb located over
Newfoundland.

At 3:00 a.m. EST today ridge located on a line north-south over
Manitoba.
By 7:00 p.m. EST Thursday ridge located on a line north-south over
the Great Lakes.

Great Lakes - Lake Huron Area

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