Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 12 December 2017

Today Tonight and Wednesday.

Gale warning in effect.

Wind northeast 10 to 20 knots increasing to northeast 20 to 30 early this morning then backing to northwesterly 15 to 25 late this evening. Wind increasing to westerly 25 to 35 Wednesday morning.

Snow changing to snow at times heavy early this morning then to flurries overnight and ending near noon Wednesday. Visibility 1 mile or less in precipitation.

High today minus 4. Temperatures falling to minus 13 Wednesday evening.

Extended Forecast

Issued 06:00 AM EST 12 December 2017
Thursday Wind westerly 20 to 30 knots diminishing to westerly 10 to 20 in the afternoon.
Friday Wind light.
Saturday Wind light becoming northerly 10 to 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 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

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 03:00 AM EST 12 December 2017

'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 PM EST 12 December 2017 Tonight and Wednesday At 3:00 p.m. EST today low located northeast of Lake Ontario.
By 7:00 p.m. EST tonight low located southeast of Saguenay River.

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