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Lake St. Clair

Forecast

Marine Forecast

Issued 06:30 PM EDT 29 July 2021

Tonight and Friday.

Wind north 15 knots increasing to north 15 to 20 this evening then becoming north 15 Friday morning. Wind diminishing to north 10 Friday evening.

Scattered showers this evening with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 29 July 2021
Tonight and Friday. Waves one half metre or less building to one half to one metre near midnight then subsiding to one half metre or less Friday evening.

Extended Forecast

Issued 06:30 PM EDT 29 July 2021
Saturday Wind light becoming southwest 15 knots in the afternoon then veering to northwest 15 late in the day.
Sunday Wind north 15 knots diminishing to light late in the day.
Monday Wind light.

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario 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 6:30 PM EDT 29 July 2021 Tonight and Friday At 6:30 p.m. EDT tonight cold front located on a line
northeast-southwest over southern Ontario.
By 6:30 p.m. EDT Friday departing cold front located on a line
northeast-southwest over North Carolina.

At 6:30 p.m. EDT tonight ridge from 1023 mb high located from
North Dakota to Hudson Bay.
By 6:30 p.m. EDT Friday ridge from 1021 mb high located from
Illinois to James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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