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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 18 May 2025

Tonight and Monday.

Wind north 15 knots tonight and Monday.

Waves

Issued 06:30 PM EDT 18 May 2025
Tonight and Monday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 18 May 2025
Tuesday Wind northeast 15 knots.
Wednesday Wind northeast 15 knots backing to north 20 late in the day.
Thursday Wind north 20 knots.

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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 18 May 2025 Tonight and Monday At 6:30 p.m. EDT tonight low 995 mb located over New Brunswick.
By 6:30 p.m. EDT Monday departing low 998 mb located southeast of
Nova Scotia.

At 6:30 p.m. EDT tonight high 1030 mb located over western
Hudson Bay.
By 6:30 p.m. EDT Monday high 1036 mb located over eastern Hudson
Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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