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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 April 2025

Today Tonight and Saturday.

Wind south 20 knots veering to southwest 20 near noon then diminishing to southwest 15 late overnight. Wind diminishing to northwest 10 Saturday morning then increasing to north 15 Saturday evening.

Scattered showers ending this evening with a risk of thunderstorms. Showers overnight and Saturday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 18 April 2025
Today Tonight and Saturday. Waves 0.5 to 1 metre subsiding to 0.5 or less early Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 18 April 2025
Sunday Wind light becoming northeast 15 knots in the morning.
Monday Wind southeast 20 knots veering to southwest 20 late in the day.
Tuesday Wind west 15 knots diminishing to light late in the day.

Ice Forecast*

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday Ice free.

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

 

[ Canadian Ice Service ]

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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
Legend:
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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 18 April 2025 Tonight and Saturday At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over northeastern Ontario.
By 6:30 p.m. EDT Saturday trough located on a line
northeast-southwest over the Eastern Seaboard.

At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Manitoba.
By 6:30 p.m. EDT Saturday ridge located on a line north-south over
Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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