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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 October 2026

Tonight and Tuesday.

Wind light becoming northeast 10 knots near midnight then increasing to east 15 early Tuesday morning. Wind backing to northeast 15 near noon Tuesday.

Waves

Issued 06:30 PM EDT 19 October 2026
Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 Tuesday morning.

Extended Forecast

Issued 06:30 PM EDT 19 October 2026
Wednesday Wind south 15 knots diminishing to light late in the day.
Thursday Wind light.
Friday Wind light becoming south 15 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
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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 6:30 PM EDT 19 October 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight high 1029 mb located over Lake Superior.
By 6:30 p.m. EDT Tuesday high 1033 mb located over southern Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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