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Lake St. Clair

Forecast

Marine Forecast

Issued 03:09 PM EDT 19 May 2024

Today Tonight and Monday.

Wind south 10 knots with gusts to 40 near thunderstorms. Wind becoming light this evening. Wind light Monday.

Scattered showers ending this evening. Risk of thunderstorms late this afternoon and this evening. Risk of thunderstorms Monday afternoon and evening.

Waves

Issued 10:30 AM EDT 19 May 2024
Today Tonight and Monday. Waves less than 0.5 metres.

Extended Forecast

Issued 03:00 AM EDT 19 May 2024
Tuesday Wind light becoming south 15 knots in the afternoon.
Wednesday Wind southwest 20 knots.
Thursday Wind south 15 knots.

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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 27 April 2024 Forecasts have ended for the season.
Warnings

Watches (In effect)

Squall watch in effect

Lake St. Clair

Issued 3:11 PM EDT 19 May 2024 Conditions are favourable for the development of squalls with wind gusts up to 40 knots, frequent lightning and hail.

Thunderstorms over Michigan are expected to track over Lake St. Clair late this afternoon or early evening. Wind gusts near 40 knots are possible.

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 19 May 2024 Today Tonight and Monday At 10:30 a.m. EDT today low 994 mb located south of Hudson Bay.
By 10:30 a.m. EDT Monday low 1002 mb located over northern Quebec.

At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over North Channel.
By 10:30 a.m. EDT Monday weakening cold front located on a line
northeast-southwest over New York State.

By 10:30 a.m. EDT Monday trough located on a line
northeast-southwest over Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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