Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 July 2024

Today Tonight and Tuesday.

Wind southwest 10 to 15 knots increasing to southwest 15 to 20 this morning then diminishing to light this evening. Wind increasing to southwest 15 to 20 near noon Tuesday then diminishing to southwest 10 to 15 Tuesday evening.

Scattered showers ending Tuesday morning. Risk of thunderstorms this afternoon and this evening. Showers Tuesday afternoon and evening. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 14 July 2024
Tuesday Wind southwest 15 to 25 knots becoming southwest 15 in the afternoon.
Wednesday Wind westerly 15 knots.
Thursday Wind light.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
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 15 July 2024 Today Tonight and Tuesday At 3:00 a.m. EDT today dissipating trough located on a line
northwest-southeast over Sept-Îles.

At 3:00 a.m. EDT today trough located over western Quebec.
By 3:00 a.m. EDT Tuesday dissipating trough located from Labrador
to Maine.

At 8:00 p.m. EDT tonight low located near Lake Superior.
By 8:00 p.m. EDT Tuesday low located northwest of Lake Saint-Jean.

Great Lakes - Lake Huron Area

Another Region

Features

New Predicting and Alerting Coastal Flooding Program

Find out about coastal flooding coverage, forecasts and warnings in your region

Date modified: