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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 15 January 2026

Tonight and Friday.

Wind west 15 knots diminishing to southwest 10 this evening then increasing to south 20 Friday morning. Wind veering to southwest 20 Friday afternoon then diminishing to southwest 15 Friday evening.

Flurries Friday. Visibility 1 mile or less in flurries.

Waves

Issued 06:30 PM EST 15 January 2026
Tonight and Friday. Over open water waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EST 15 January 2026
Saturday Wind southwest 15 knots increasing to southwest 20 in the afternoon.
Sunday Wind southwest 20 knots.
Monday Wind west 30 knots diminishing to southwest 20 late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

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 6:30 PM EST 15 January 2026 Tonight and Friday At 6:30 p.m. EST tonight low 990 mb located over southeastern
Quebec.
By 6:30 p.m. EST Friday low 980 mb located over the Maritimes.

At 6:30 p.m. EST tonight ridge located on a line north-south over
Lake Huron.
By 6:30 p.m. EST Friday ridge located on a line northwest-southeast
over the Eastern Seaboard.

At 6:30 p.m. EST tonight trough located on a line
northwest-southeast over northwestern Ontario.
By 6:30 p.m. EST Friday trough located on a line northwest-southeast
over Upper Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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