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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 16 February 2026

Today Tonight and Tuesday.

Wind south 15 knots increasing to south 20 near noon then diminishing to west 10 this evening. Wind veering to northwest 10 overnight then becoming light Tuesday morning. Wind becoming east 15 Tuesday evening.

Scattered showers this afternoon and this evening.

Waves

Issued 03:00 AM EST 16 February 2026
Today Tonight and Tuesday. Over open water waves 0.5 metres or less building to 0.5 to 1 this afternoon then subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 03:00 AM EST 16 February 2026
Wednesday Wind east 25 knots increasing to east 30 in the morning.
Thursday Wind northeast 20 knots.
Friday Wind east 20 knots backing to northeast 25.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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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 3:00 AM EST 16 February 2026 Today Tonight and Tuesday At 3:00 a.m. EST today trough located on a line northeast-southwest
over western Lake Superior.
By 3:00 a.m. EST Tuesday trough located on a line north-south over
southern Ontario.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 3:00 a.m. EST Tuesday approaching ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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