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Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EDT 30 September 2020

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 20 knots diminishing to west 15 this evening and to west 10 early Thursday morning. Wind veering to northwest 10 Thursday evening.

Showers ending near midnight. Risk of thunderstorms this afternoon and this evening. Risk of thunderstorms and waterspouts Thursday afternoon and evening.

Waves

Issued 10:30 AM EDT 30 September 2020
Today Tonight and Thursday. Waves one half metre building to one near noon then subsiding to one half metre or less near midnight.

Extended Forecast

Issued 03:00 AM EDT 30 September 2020
Friday Wind light becoming northwest 15 knots in the morning.
Saturday Wind light.
Sunday Wind light becoming south 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday 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 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Lake St. Clair

Issued 2:35 PM EDT 30 September 2020

'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 30 September 2020 Today Tonight and Thursday At 10:30 a.m. EDT today departing low 982 mb located east of
Hudson Bay.

At 10:30 a.m. EDT today trough from low located on a line
northeast-southwest over Whitefish Bay.
By 10:30 a.m. EDT Thursday trough from low located on a line
northeast-southwest over Lake Huron.

At 10:30 a.m. EDT today deepening low 990 mb located east of
Montréal.
By 10:30 a.m. EDT Thursday low 964 mb located over northern
Labrador.

Great Lakes - Lake Erie and Lake Ontario Area

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