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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 04 April 2025

Today Tonight and Saturday.

Wind north 10 knots veering to northeast 10 this morning then increasing to east 15 early this evening. Wind diminishing to east 10 overnight then increasing to northwest 15 Saturday morning. Wind diminishing to north 10 Saturday evening.

Periods of rain tonight and Saturday. Fog patches forming overnight and dissipating near noon Saturday.

Waves

Issued 03:00 AM EDT 04 April 2025
Today Tonight and Saturday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 04 April 2025
Sunday Wind north 15 knots diminishing to light in the morning.
Monday Wind southwest 20 knots veering to northwest 20 late in the day.
Tuesday Wind northwest 15 knots diminishing to light late in the day.

Ice Forecast*

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday 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 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 4 April 2025 Today Tonight and Saturday At 3:00 a.m. EDT today departing low 1003 mb located over central
Quebec.

At 3:00 a.m. EDT today high 1025 mb located over Wisconsin.
By 3:00 a.m. EDT Saturday high 1030 mb located over southern Quebec.

By 3:00 a.m. EDT Saturday approaching low 1010 mb located over
Illinois.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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