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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 09 March 2026

Today Tonight and Tuesday.

Wind southwest 20 knots backing to south 15 this afternoon then diminishing to south 10 this evening. Wind increasing to northeast 15 early Tuesday morning and to northeast 20 Tuesday afternoon.

Scattered showers Tuesday.

Waves

Issued 10:30 AM EDT 09 March 2026
Today Tonight and Tuesday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less early this evening then building to 1 Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 09 March 2026
Wednesday Wind northeast 25 knots backing to northwest 30 late in the day.
Thursday Wind northwest 30 knots diminishing to northwest 15.
Friday Wind southeast 30 knots becoming northwest 30 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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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 10:30 AM EDT 9 March 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today departing low 990 mb located northeast of
Lake Superior.

By 10:30 a.m. EDT Tuesday low 998 mb located over eastern Nebraska.

By 10:30 p.m. EDT Tuesday building high 1028 mb located over
northern Ontario.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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