Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 18 March 2024

Tonight and Tuesday.

Wind southwest 15 to 25 knots becoming westerly 15 early this evening then increasing to westerly 15 to 20 early Tuesday morning. Wind diminishing to light Tuesday evening.

Flurries or showers ending near midnight. Flurries Tuesday evening. Visibility 1 mile or less in flurries.

Low tonight minus 4. High Tuesday plus 2.

Extended Forecast

Issued 06:00 PM EDT 18 March 2024
Wednesday Wind light becoming southerly 10 to 15 knots in the morning.
Thursday Wind west 15 to 25 knots.
Friday Wind west 15 knots.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
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 19 March 2024 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northwest-southeast
over Pointe-des-Monts.
By 3:00 a.m. EDT Wednesday dissipating trough located on a line
northwest-southeast over Sept-Îles.

At 8:00 a.m. EDT today low located near Lake Superior.
By 8:00 p.m. EDT Wednesday low located over central Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Date modified: