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Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 August 2019

Today Tonight and Monday.

Squall watch in effect.

Wind light becoming southwest 15 knots this afternoon with gusts to 50 near thunderstorms. Wind diminishing to southwest 10 near midnight then veering to northwest 10 early Monday morning. Wind becoming variable 10 Monday afternoon.

Showers ending near midnight with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 18 August 2019
Today Tonight and Monday. Waves less than one half metre building to one half metre early this evening then subsiding to less than one half metre late overnight.

Extended Forecast

Issued 03:00 AM EDT 18 August 2019
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 19 May 2019 Forecasts available to mariners upon request.

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

 

[ Canadian Ice Service ]

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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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 19 May 2019

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Watches (In effect)

Squall watch in effect

Lake St. Clair

Issued 10:24 AM EDT 18 August 2019 Conditions are favourable for the development of squalls with wind gusts up to 50 knots this afternoon and evening.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 August 2019 Today Tonight and Monday At 10:30 a.m. EDT today cold front located west of Lake Nipigon.
By 10:30 a.m. EDT Monday cold front located on a line
northeast-southwest over southern Ontario.

At 10:30 a.m. EDT today high 1013 mb located over South Dakota.
By 10:30 a.m. EDT Monday high 1017 mb located over Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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