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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 July 2026

Tonight and Monday.

Wind light becoming south 15 knots near midnight then veering to southwest 15 early Monday morning.

Risk of thunderstorms overnight and Monday morning.

Waves

Issued 06:30 PM EDT 12 July 2026
Tonight and Monday. Waves 0.5 metres or less building to 0.5 to 1 late overnight.

Extended Forecast

Issued 06:30 PM EDT 12 July 2026
Tuesday Wind southwest 15 knots.
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 knots.

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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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buoy Buoy
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 6:30 PM EDT 12 July 2026 Tonight and Monday At 6:30 p.m. EDT tonight ridge located on a line east-west over
southern Ontario.
By 6:30 p.m. EDT Monday ridge located on a line east-west over
Pennsylvania.

At 6:30 p.m. EDT tonight low 1004 mb located over northeastern
Manitoba.
By 6:30 p.m. EDT Monday low 994 mb located over eastern Hudson Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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