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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 09 December 2019

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeasterly 15 knots increasing to southwest 15 to 25 overnight and to southwest 25 to 35 Tuesday morning. Wind diminishing to west 10 to 15 Tuesday evening.

Periods of rain ending Tuesday afternoon.

Temperatures zero rising to plus 9 Tuesday morning then falling to minus 5 Tuesday evening.

Extended Forecast

Issued 06:00 PM EST 08 December 2019
Tuesday Wind southwest 10 to 15 knots veering to west 20 in the afternoon.
Wednesday Wind northwest 15 knots diminishing to light.
Thursday Wind west 15 to 20 knots diminishing to light late in the day.

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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 09 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 9 December 2019 Today Tonight and Tuesday At 3:00 a.m. EST today col located near Lake Saint-Jean.
By 7:00 p.m. EST tonight dissipating col located over the Quebec
Lower North Shore.

At 7:00 p.m. EST tonight trough from 993 mb low located on a line
north-south over the Midwestern states.
By 7:00 p.m. EST Tuesday trough from 984 mb low located on a line
northeast-southwest over the Gaspe Peninsula.

Great Lakes - Lake Erie and Lake Ontario Area

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