Lake St. Clair

Forecast

Marine Forecast

Issued 06:30 PM EDT 21 October 2017

Tonight and Sunday.

Wind southeast 10 knots increasing to south 15 this evening. Wind south 15 Sunday.

Waves

Issued 06:30 PM EDT 21 October 2017
Tonight and Sunday. Waves one half metre or less.

Extended Forecast

Issued 06:30 PM EDT 21 October 2017
Monday Wind light increasing to southeast 20 knots late in the day.
Tuesday Wind southwest 25 knots increasing to southwest 30.
Wednesday Wind southwest 25 knots diminishing to west 15.

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 21 October 2017 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
New Brunswick.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
Nova Scotia.

At 6:30 p.m. EDT tonight low 989 mb located over central Manitoba.
By 6:30 p.m. EDT Sunday low 972 mb located over western Hudson Bay.

At 6:30 p.m. EDT tonight cold front located on a line north-south
over the Ontario - Manitoba border.
By 6:30 p.m. EDT Sunday cold front located on a line north-south
over eastern Lake Superior.

Great Lakes - Lake Huron Area

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Features

Summer 2017: Significant weather across Canada

By analyzing weather events, ECCC is collecting more information as to how our climate is changing.

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