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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 March 2023

Today Tonight and Saturday.

Wind westerly 10 to 15 knots becoming light early this evening then increasing to northeast 10 to 15 Saturday morning. Wind increasing to northeasterly 15 to 25 Saturday afternoon.

Snow Saturday late in the day. Visibility 1 mile or less in snow.

High today plus 2. Low tonight minus 5. High Saturday plus 2.

Extended Forecast

Issued 06:00 PM EDT 23 March 2023
Saturday Wind light becoming northeast 15 knots in the morning.
Sunday Wind east 15 to 25 knots becoming southwest 20 to 30.
Monday Wind west 10 to 15 knots.

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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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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 March 2023 Today Tonight and Saturday At 3:00 a.m. EDT today trough located on a line northwest-southeast
over Rimouski.
By 8:00 p.m. EDT tonight dissipating trough located on a line
northwest-southeast over Sept-Îles.

At 3:00 a.m. EDT today high 1023 mb located over the Midwestern
states.
By 8:00 p.m. EDT Saturday ridge located on a line north-south over
the Quebec Lower North Shore.

At 8:00 p.m. EDT Saturday approaching low 984 mb located over
Lake Huron.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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