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Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 September 2021

Today Tonight and Friday.

Strong wind warning in effect.

Wind south 20 knots veering to southwest 25 early this afternoon then to west 20 late overnight. Wind diminishing to southwest 15 Friday morning.

Showers ending Friday morning with a risk of waterspouts.

Waves

Issued 10:30 AM EDT 23 September 2021
Today Tonight and Friday. Waves 0.5 metres building to 1 this afternoon then subsiding to 0.5 Friday morning.

Extended Forecast

Issued 03:00 AM EDT 23 September 2021
Saturday Wind southwest 15 knots.
Sunday Wind west 20 knots.
Monday Wind west 15 knots diminishing to light.

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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

Warnings (In effect)

Strong wind warning in effect

Lake St. Clair

Issued 10:30 AM EDT 23 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 23 September 2021 Today Tonight and Friday At 10:30 a.m. EDT today low 1002 mb located near Lake St. Clair.
By 10:30 a.m. EDT Friday low 1006 mb located northwest of Lake
Nipissing.

At 10:30 a.m. EDT today ridge located from James Bay to Lake
Superior.
By 10:30 a.m. EDT Friday departing ridge located on a line
northeast-southwest over James Bay.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over Lake Winnipeg.
By 10:30 a.m. EDT Friday trough located on a line north-south over
northwestern Ontario.

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