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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 21 November 2024

Today Tonight and Friday.

Gale warning in effect.

Wind northeast 10 to 20 knots increasing to northeast 20 to 30 late this afternoon then becoming northeast 25 to 35 Friday morning. Wind diminishing to northeast 15 to 25 Friday evening.

Rain beginning early this morning and ending Friday afternoon. Visibility as low as 1 mile in rain.

Extended Forecast

Issued 06:00 AM EST 21 November 2024
Saturday Wind northeast 15 to 25 knots diminishing to northwest 10 to 15 in the morning.
Sunday Wind west 15 to 25 knots.
Monday Wind west 15 knots diminishing to 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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 03:00 AM EST 21 November 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 21 November 2024 Today Tonight and Friday At 3:00 a.m. EST today ridge located from the Ungava Peninsula
to Maine.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Newfoundland.

At 3:00 a.m. EST today low 996 mb located over Lake Superior.
By 7:00 p.m. EST Friday low 994 mb located near Cape Cod.

Great Lakes - Lake Erie and Lake Ontario Area

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