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Our website will be temporary unavailable on May 15, 2024 between 2 to 3 pm EDT.

Our website will be temporary unavailable on May 15, 2024 between 2 to 3 pm EDT.

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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EDT 15 May 2024

Today Tonight and Thursday.

Wind northeast 10 to 15 knots becoming light early this morning then becoming northeast 10 to 15 near noon Thursday. Wind becoming light Thursday evening.

Scattered showers. Fog banks dissipating this morning. Mist forming overnight and dissipating Thursday morning. Visibility 1 mile or less in fog banks and as low as 1 mile in mist.

Extended Forecast

Issued 06:00 AM EDT 15 May 2024
Friday Wind easterly 10 to 15 knots.
Saturday Wind southeast 10 to 15 knots.
Sunday Wind northeast 10 to 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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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 15 May 2024 Today Tonight and Thursday At 3:00 a.m. EDT today weakening trough located on a line
northeast-southwest over Tadoussac.
By 8:00 p.m. EDT Thursday trough located on a line north-south
over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today low 1004 mb located south of Lake Michigan.
By 8:00 p.m. EDT Thursday low 1003 mb located northeast of Cape
Hatteras.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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