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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 07 May 2025

Tonight and Thursday.

Wind north 15 knots veering to northeast 15 this evening then diminishing to variable 10 Thursday morning. Wind becoming northwest 10 Thursday afternoon then becoming light Thursday evening.

Waves

Issued 06:30 PM EDT 07 May 2025
Tonight and Thursday. Waves 0.5 to 1 metre subsiding to 0.5 or less near noon Thursday.

Extended Forecast

Issued 06:30 PM EDT 07 May 2025
Friday Wind light becoming southwest 15 knots in the afternoon then diminishing to light late in the day.
Saturday Wind north 15 knots diminishing to light late in the day.
Sunday Wind light increasing to south 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 7 May 2025 Today Tonight and Thursday Ice free.

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

 

[ Canadian Ice Service ]

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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 7 May 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 7 May 2025 Tonight and Thursday At 6:30 p.m. EDT tonight departing low 1009 mb located north
of Maine.

At 6:30 p.m. EDT tonight high 1033 mb located over northern Ontario.
By 6:30 p.m. EDT Thursday ridge located on a line
northeast-southwest over northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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