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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 21 November 2019

Today Tonight and Friday.

Gale warning in effect.

Wind light becoming southwest 10 to 15 knots near noon then becoming light early this evening. Wind increasing to southeast 10 to 20 near midnight and to southwest 30 to 40 Friday morning. Wind diminishing to west 20 to 30 Friday afternoon.

Rain tonight and Friday.

Temperatures minus 3 rising to plus 6 Friday afternoon then falling to plus 1 Friday evening.

Extended Forecast

Issued 06:00 PM EST 20 November 2019
Friday Wind southerly 15 knots increasing to westerly 25 to 35 in the afternoon.
Saturday Wind westerly 15 to 25 knots.
Sunday Wind light.

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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 21 November 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 21 November 2019 Today Tonight and Friday At 3:00 a.m. EST today ridge located from Labrador to Québec city
then to Lake Ontario.
By 7:00 a.m. EST Friday ridge located from Labrador Sea to Nova
Scotia.

At 3:00 a.m. EST today intensifying low 1001 mb located south
of Manitoba.
By 7:00 p.m. EST Friday low 987 mb located over the Gulf of
St. Lawrence.

Great Lakes - Lake Erie and Lake Ontario Area

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