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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EST 15 December 2019

Today Tonight and Monday.

Gale warning in effect.

Wind southwest 30 to 40 knots diminishing to west 15 to 25 early this evening then becoming southwest 15 overnight. Wind diminishing to light Monday evening.

Snow ending this morning. Visibility 1 mile or less in snow.

High today plus 1. Low tonight minus 10. High Monday minus 5.

Extended Forecast

Issued 06:00 AM EST 15 December 2019
Tuesday Wind light becoming northeast 10 to 15 knots in the afternoon.
Wednesday Wind light becoming northwest 15 knots late in the day.
Thursday Wind northwest 15 knots increasing to northwest 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 03:00 AM EST 15 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 15 December 2019 Today Tonight and Monday At 3:00 a.m. EST today low 972 mb located near Saguenay River.
By 7:00 p.m. EST Monday low 970 mb located over Labrador Coast.

At 3:00 a.m. EST today ridge located on a line north-south over
western Ontario.
By 7:00 p.m. EST Monday ridge located on a line north-south over
Montréal.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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