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Cornwall to Montréal

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Marine Forecast

Issued 03:00 AM EDT 27 July 2021

Today Tonight and Wednesday.

Wind light today tonight and Wednesday.

Showers this afternoon.

Extended Forecast

Issued 06:00 AM EDT 27 July 2021
Thursday Wind light becoming southwest 10 to 15 knots in the afternoon.
Friday Wind northwest 15 knots.
Saturday Wind west 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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Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 27 July 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line north-south over
Sept-Îles.
By 4:00 p.m. EDT today trough located on a line north-south over
the Strait of Belle Isle.

At 3:00 a.m. EDT today ridge located from Lake Superior to James
Bay then to Ungava Bay.
By 8:00 p.m. EDT Wednesday ridge located from Cornwall to Ungava
Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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