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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 07 March 2026

Today Tonight and Sunday.

Wind south 20 knots increasing to southwest 30 this morning then diminishing to southwest 20 this afternoon. Wind veering to west 20 this evening then diminishing to west 10 overnight. Wind increasing to southwest 25 Sunday morning.

Periods of rain ending near midnight with a risk of thunderstorms. Fog patches dissipating this evening.

Waves

Issued 03:00 AM EST 07 March 2026
Today Tonight and Sunday. Over open water waves 0.5 to 1 metre building to 1 to 1.5 near noon then subsiding to 0.5 to 1 early this evening. Waves subsiding to 0.5 or less Sunday morning then building to 0.5 to 1 near noon Sunday.

Extended Forecast

Issued 03:00 AM EST 07 March 2026
Monday Wind west 20 knots backing to southwest 25 in the morning then diminishing to light late in the day.
Tuesday Wind light increasing to northeast 20 knots late in the day.
Wednesday Wind northeast 20 knots backing to north 25 late in the day.

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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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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 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

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 3:00 AM EST 7 March 2026 Today Tonight and Sunday At 3:00 a.m. EST today trough located from Whitefish Bay to Iowa.
By 3:00 a.m. EDT Sunday trough located on a line northeast-southwest
over the St. Lawrence River.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over northwestern Ontario.
By 3:30 a.m. EDT Sunday ridge located on a line northeast-southwest
over northeastern Ontario.

By 3:00 a.m. EDT Sunday trough located on a line north-south over
western Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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