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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 09 June 2026

Today Tonight and Wednesday.

Wind south 10 knots increasing to south 15 near noon then diminishing to south 10 early this evening. Wind veering to southwest 10 near midnight. Wind southwest 10 Wednesday.

Scattered showers ending overnight with a risk of thunderstorms. Scattered showers Wednesday afternoon and evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 09 June 2026
Today Tonight and Wednesday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 09 June 2026
Thursday Wind light.
Friday Wind light becoming west 15 knots.
Saturday Wind light.

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

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

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 9 June 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today departing high 1026 mb located southeast
of Pennsylvania.

At 10:30 a.m. EDT today low 1012 mb located over southern Wisconsin.
By 10:30 a.m. EDT Wednesday low 1007 mb located east of Georgian
Bay.

By 10:30 a.m. EDT Wednesday approaching low 991 mb located over
southern Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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