Language selection

Weather shortcuts

Lake St. Clair

Forecast

Marine Forecast

Issued 06:30 PM EST 24 January 2026

Tonight and Sunday.

Wind light becoming east 10 knots this evening then backing to northeast 10 near midnight. Wind increasing to northeast 15 early Sunday morning then backing to north 15 Sunday afternoon.

Snow overnight and Sunday. Visibility 1 mile or less in snow.

Waves

Issued 06:30 PM EST 24 January 2026
Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 06:30 PM EST 24 January 2026
Monday Wind northwest 15 knots backing to southwest 15 late in the day.
Tuesday Wind southwest 20 knots.
Wednesday Wind light.

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 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 24 January 2026 Tonight and Sunday At 6:30 p.m. EST tonight ridge from 1042 mb high located over
Wisconsin to New York State.
By 6:30 p.m. EST Sunday ridge from 1040 mb high located on a line
east-west over northeastern Ontario.

At 6:30 p.m. EST tonight quasi-stationary low located over Lake
Superior.

By 6:30 p.m. EST Sunday approaching low 1003 mb located over
West Virginia.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Date modified: