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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 26 April 2025

Today Tonight and Sunday.

Wind northeast 15 to 25 knots diminishing to northeast 10 to 15 early this morning then becoming light near noon. Wind increasing to southwest 15 to 25 early this evening then veering to northwesterly 10 to 20 near midnight. Wind northwesterly 10 to 20 Sunday.

Rain ending Sunday afternoon. Visibility 1 mile or less in rain.

Extended Forecast

Issued 06:00 AM EDT 26 April 2025
Monday Wind light becoming southwest 10 to 15 knots in the afternoon.
Tuesday Wind light increasing to southwest 15 to 25 knots late in the day.
Wednesday Wind westerly 20 to 30 knots diminishing to northwest 15.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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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 26 April 2025 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located over the Gulf of St. Lawrence.
By 8:00 a.m. EDT Sunday departing ridge located east of
Newfoundland.

At 3:00 a.m. EDT today low 1009 mb located near Lake Erie.
By 8:00 p.m. EDT Sunday low 1003 mb located over the Gulf of Maine.

At 8:00 p.m. EDT Sunday approaching high 1025 mb located over
Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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