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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 April 2025

Today Tonight and Wednesday.

Wind north 15 knots diminishing to northeast 10 this morning then increasing to east 15 near midnight. Wind increasing to east 25 overnight then veering to southeast 25 Wednesday morning. Wind veering to southwest 25 Wednesday evening.

Showers or scattered thunderstorms Wednesday.

Waves

Issued 03:00 AM EDT 01 April 2025
Today Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to 0.5 or less near noon then building to 0.5 to 1 overnight. Waves building to 1 to 1.5 Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 01 April 2025
Thursday Wind southwest 20 knots diminishing to light late in the day.
Friday Wind light.
Saturday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 31 March 2025 Today Tonight and Tuesday Open water.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas 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:
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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 31 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 1 April 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over western Quebec.

At 3:00 a.m. EDT today low 997 mb located over Colorado.
By 3:00 a.m. EDT Wednesday low 984 mb located over Nebraska.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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