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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:53 PM EDT 19 June 2021

Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 20 to 30 knots diminishing to westerly 15 to 20 early this evening and to light late this evening. Wind increasing to southwest 10 to 20 Sunday morning then becoming light Sunday evening.

Showers this afternoon with a risk of thunderstorms.

Extended Forecast

Issued 06:00 AM EDT 19 June 2021
Monday Wind light increasing to southwest 15 to 25 knots in the morning.
Tuesday Wind southwest 10 to 15 knots becoming northerly 15.
Wednesday Wind westerly 15 to 20 knots.

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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)

Strong wind warning in effect

Cornwall to Montréal

Issued 5:14 PM EDT 19 June 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 EDT 19 June 2021 Tonight and Sunday At 3:00 p.m. EDT today low 996 mb located north of Lake Saint-Jean.
By 8:00 p.m. EDT Sunday weakening low 1004 mb located over
Anticosti Island.

At 3:00 a.m. EDT Monday deepening trough located on a line
northeast-southwest over James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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