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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 26 September 2021

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to southwest 20 late overnight then diminishing to southwest 15 Monday morning. Wind diminishing to southwest 10 Monday afternoon then becoming north 10 Monday evening.

Waves

Issued 10:30 AM EDT 26 September 2021
Today Tonight and Monday. Waves 0.5 metres building to 0.5 to 1 early Monday morning then subsiding to 0.5 near noon Monday.

Extended Forecast

Issued 03:00 AM EDT 26 September 2021
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind light.

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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

Warnings (In effect)

Strong wind warning in effect

Lake St. Clair

Issued 10:30 AM EDT 26 September 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 26 September 2021 Today Tonight and Monday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Lake Erie.
By 10:30 a.m. EDT Monday departing ridge located on a line
northeast-southwest over Pennsylvania.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northern Ontario.
By 10:30 a.m. EDT Monday trough located on a line east-west over
Lake Superior.

At 10:30 a.m. EDT today high 1012 mb located over Saskatchewan.
By 10:30 a.m. EDT Monday high 1012 mb located over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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