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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 13 July 2026

Tonight and Tuesday.

Wind light becoming south 10 knots this evening then veering to southwest 10 near midnight. Wind veering to west 10 early Tuesday morning.

Waves

Issued 06:30 PM EDT 13 July 2026
Tonight and Tuesday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 13 July 2026
Wednesday Wind light becoming north 15 knots late in the day.
Thursday Wind light.
Friday Wind light.

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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

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 13 July 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line east-west over
Lake Erie.
By 6:30 p.m. EDT Tuesday ridge located on a line northwest-southeast
over Indiana.

At 6:30 p.m. EDT tonight trough located over northern Ontario.
By 6:30 p.m. EDT Tuesday trough located on a line
northeast-southwest over the Eastern Seaboard.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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