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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 April 2023

Today Tonight and Sunday.

Wind southwest 30 knots diminishing to southwest 20 this morning then veering to west 25 this afternoon. Wind veering to north 20 early this evening then diminishing to north 15 near midnight. Wind diminishing to north 10 Sunday morning then becoming southeast 10 near noon Sunday. Wind increasing to southeast 15 Sunday evening.

Rain and mist with a risk of thunderstorms changing to scattered showers early this morning and ending this evening. Visibility as low as 1 mile in mist.

Waves

Issued 03:00 AM EDT 01 April 2023
Today Tonight and Sunday. Waves 0.5 to 1 metre subsiding to 0.5 or less Sunday morning.

Extended Forecast

Issued 03:00 AM EDT 01 April 2023
Monday Wind light.
Tuesday Wind light becoming east 15 knots.
Wednesday Wind south 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 31 March 2023 Today Tonight and Saturday Open water.

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

 

[ Canadian Ice Service ]

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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 31 March 2023 Today Tonight and Saturday

Ice Coverage

Open water.

Warnings

Watches (In effect)

Squall watch in effect

Lake St. Clair

Issued 08:24 AM EDT 01 April 2023 Conditions are favourable for the development of squalls with wind gusts up to 40 knots.

Showers and possible thunderstorms are expected to affect Lake St. Clair and Lake Erie later this morning and afternoon. Squalls to 40 knots will be possible.

The threat should diminish after 3 P.M. EDT. as the activity moves east of the area.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

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 3:00 AM EDT 1 April 2023 Today Tonight and Sunday At 3:00 a.m. EDT today low 987 mb located over central Wisconsin.
By 3:00 a.m. EDT Sunday low 984 mb located north of Nova Scotia.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over southern Manitoba.
By 3:00 a.m. EDT Sunday ridge located on a line north-south over
Lake Michigan.

At 3:00 a.m. EDT today approaching trough located on a line
east-west over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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