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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 11 December 2019

Today Tonight and Thursday.

Gale warning in effect.

Wind light increasing to southwest 15 to 25 knots early this afternoon and to southwest 25 to 35 early this evening. Wind diminishing to southwest 10 to 15 overnight then becoming light Thursday afternoon.

Flurries this afternoon and this evening. Visibility 1 mile or less in flurries.

High today minus 4. Low tonight minus 15. High Thursday minus 10.

Extended Forecast

Issued 06:00 AM EST 11 December 2019
Friday Wind southeasterly 15 knots.
Saturday Wind easterly 10 to 15 knots.
Sunday Wind northwest 10 to 15 knots increasing to southwesterly 15 to 25.

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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

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 08:07 AM EST 11 December 2019

'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 11 December 2019 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line east-west over the
Midwestern states.
By 7:00 p.m. EST Thursday ridge located on a line north-south
over Pointe-des-Monts.

At 7:00 a.m. EST today trough located on a line northwest-southeast
over Lake Huron.
By 7:00 p.m. EST Thursday trough located on a line
northeast-southwest over Newfoundland.

Great Lakes - Lake Erie and Lake Ontario Area

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