Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EST 10 November 2025

Tonight and Tuesday.

Wind light increasing to southwest 15 to 20 knots early this evening then diminishing to light Tuesday evening.

Snow changing to flurries Tuesday morning.

Temperatures near minus 1.

Extended Forecast

Issued 06:00 PM EST 10 November 2025
Wednesday Wind southwest 15 knots.
Thursday Wind southwest 15 knots.
Friday Wind light.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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 PM EST 10 November 2025 Tonight and Tuesday At 3:00 p.m. EST today ridge located from Labrador to Newfoundland.
By 1:00 a.m. EST Tuesday departing ridge located off Newfoundland.

At 3:00 p.m. EST today intensifying low 1000 mb located near
Cape Cod.
By 7:00 p.m. EST Tuesday low 980 mb located west of Labrador.

At 3:00 p.m. EST today ridge located on a line north-south over
the Midwestern states.
By 7:00 p.m. EST Tuesday ridge located on a line north-south over
Lake Ontario.

Great Lakes - Lake Huron Area

Another Region

Date modified: