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Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 September 2021

Today Tonight and Sunday.

Wind north 15 knots diminishing to north 10 near noon then increasing to northeast 15 this evening. Wind diminishing to east 10 late overnight then veering to southeast 10 near noon Sunday. Wind increasing to southeast 15 Sunday evening.

Waves

Issued 10:30 AM EDT 18 September 2021
Today Tonight and Sunday. Waves one half metre or less.

Extended Forecast

Issued 03:00 AM EDT 18 September 2021
Monday Wind light becoming south 15 knots late in the day.
Tuesday Wind south 15 knots increasing to south 20.
Wednesday Wind north 20 knots increasing to north 25 late in the day.

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 September 2021 Today Tonight and Sunday At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over New York State.
By 10:30 a.m. EDT Sunday departing cold front located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today high 1024 mb located near Whitefish Bay.
By 10:30 a.m. EDT Sunday high 1025 mb located over southern Quebec.

By 10:30 a.m. EDT Sunday approaching low 992 mb located over
Manitoba.

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