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Lake St. Clair

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 May 2025

Tonight and Tuesday.

Wind north 15 knots veering to northeast 15 near midnight then to east 15 Tuesday morning.

Periods of rain Tuesday evening.

Waves

Issued 06:30 PM EDT 19 May 2025
Tonight and Tuesday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 19 May 2025
Wednesday Wind northeast 15 knots increasing to northeast 20 in the morning then backing to northwest 15 late in the day.
Thursday Wind northwest 15 knots increasing to northwest 20 late in the day.
Friday Wind northwest 15 knots diminishing to light.

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 19 May 2025 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Lake Huron.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south
over Montréal.

At 6:30 p.m. EDT tonight low 996 mb located over Kansas.
By 6:30 p.m. EDT Tuesday low 993 mb located over northeastern Iowa.

Great Lakes - Lake Huron Area

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