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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 June 2021

Today Tonight and Saturday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 20 to 30 early this morning then diminishing to southwest 15 to 20 this evening. Wind increasing to southwest 20 to 30 Saturday morning then diminishing to west 10 to 15 Saturday evening.

Showers this afternoon tonight and Saturday. Risk of thunderstorms Saturday morning and afternoon.

Extended Forecast

Issued 06:00 AM EDT 18 June 2021
Sunday Wind light.
Monday Wind light increasing to southwest 15 to 25 knots.
Tuesday Wind southwest 15 to 25 knots veering to northwesterly 15 to 25.

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Map of Great Lakes - Lake Huron 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 03:00 AM EDT 18 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 AM EDT 18 June 2021 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Ontario.
By 8:00 a.m. EDT today weakening ridge located on a line
northeast-southwest over New England.

At 3:00 a.m. EDT today trough located on a line north-south over
James Bay.
By 8:00 p.m. EDT Saturday trough located on a line
northwest-southeast over Tadoussac.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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