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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 10 June 2026

Today Tonight and Thursday.

Wind southwest 10 knots backing to south 10 Thursday evening.

Scattered showers tonight and Thursday morning with a risk of thunderstorms.

Waves

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

Extended Forecast

Issued 03:00 AM EDT 10 June 2026
Friday Wind west 15 knots.
Saturday Wind light becoming southwest 15 knots late in the day.
Sunday Wind southwest 15 knots veering to northwest 15.

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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 10 June 2026 Today Tonight and Thursday At 10:30 a.m. EDT today departing low 1006 mb located over
northeastern Ontario.

At 10:30 a.m. EDT today low 994 mb located over northern Lake
Winnipeg.
By 10:30 a.m. EDT Thursday departing low 982 mb located over
northeastern Manitoba.

By 10:30 a.m. EDT Thursday approaching ridge located on a line
northwest-southeast over Wyoming.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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