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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 12 December 2024

Today Tonight and Friday.

Gale warning in effect.

Wind southwest 30 to 40 knots diminishing to west 20 to 30 this evening and to west 15 overnight. Wind increasing to west 15 to 25 Friday morning then diminishing to west 10 to 15 Friday evening.

Scattered flurries this evening.

Temperatures plus 1 falling to minus 9 Friday morning.

Extended Forecast

Issued 06:00 AM EST 12 December 2024
Saturday Wind west 10 to 15 knots.
Sunday Wind light.
Monday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas 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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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 09:11 AM EST 12 December 2024

'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 12 December 2024 Today Tonight and Friday At 3:00 a.m. EST today deepening low 984 mb located north of
Saguenay River.
By 7:00 p.m. EST Friday low 967 mb located over Labrador Sea.

At 7:00 p.m. EST Friday approaching high 1043 mb located over the
Great Lakes.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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