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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 16 May 2021

Tonight and Monday.

Strong wind warning in effect.

Wind westerly 10 to 20 knots except variable 30 near thunderstorms. Wind diminishing to light early this evening then increasing to southwest 10 to 20 Monday afternoon.

Showers ending this evening with a risk of thunderstorms.

Extended Forecast

Issued 06:00 PM EDT 16 May 2021
Tuesday Wind west 15 knots diminishing to light late in the day.
Wednesday Wind southwest 10 to 15 knots.
Thursday Wind southwest 15 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 4:14 PM EDT 16 May 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 16 May 2021 Tonight and Monday At 3:00 p.m. EDT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 8:00 p.m. EDT Monday departing ridge located over Newfoundland.

At 3:00 p.m. EDT today quasi-stationary flat low located over
southern Quebec.

At 8:00 p.m. EDT tonight building trough located northwest of the
Great Lakes.
By 8:00 p.m. EDT Monday dissipating trough located on a line
north-south over Trois-Rivières.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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