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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 03 April 2025

Today Tonight and Friday.

Wind southwest 20 knots diminishing to southwest 15 this morning and to west 10 early this evening. Wind veering to north 10 near midnight then to east 10 Friday morning. Wind increasing to east 15 Friday evening.

Scattered showers ending near noon. Rain Friday evening. Fog patches dissipating this morning.

Waves

Issued 03:00 AM EDT 03 April 2025
Today Tonight and Friday. Waves 0.5 to 1 metre subsiding to 0.5 or less this evening.

Extended Forecast

Issued 03:00 AM EDT 03 April 2025
Saturday Wind east 15 knots diminishing to light in the afternoon then becoming north 15 late in the day.
Sunday Wind north 15 knots diminishing to light.
Monday Wind light increasing to northwest 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 2 April 2025 Today Tonight and Thursday 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
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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 2 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 3 April 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 994 mb located over western Lake
Superior.
By 3:00 a.m. EDT Friday low 1002 mb located over central Quebec.

By 3:00 a.m. EDT Friday ridge located on a line northwest-southeast
over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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