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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 12 October 2026

Today Tonight and Tuesday.

Wind southwest 15 knots diminishing to south 10 this afternoon then increasing to southwest 15 this evening except northeast 15 near the north end. Wind becoming south 15 early Tuesday morning then veering to southwest 15 near noon Tuesday. Wind becoming north 15 Tuesday evening.

Scattered showers and fog patches Tuesday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 12 October 2026
Today Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less late this afternoon then building to 0.5 to 1 near midnight.

Extended Forecast

Issued 03:00 AM EDT 12 October 2026
Wednesday Wind northwest 20 knots.
Thursday Wind northeast 15 knots veering to southeast 15.
Friday Wind variable 20 knots increasing to northwest 35.

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Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood 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 Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
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land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

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

Ice Forecasts

Lake Michigan

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 10:28 AM EDT 12 October 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today departing low 1008 mb located south of
Nova Scotia.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EDT Tuesday low 1004 mb located over Lake Huron.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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