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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 12 February 2026

Today Tonight and Friday.

Wind northwest 15 knots diminishing to variable 10 this evening then increasing to southwest 15 early Friday morning. Wind increasing to southwest 25 near noon Friday then veering to west 20 Friday evening.

Scattered flurries ending this evening. Scattered flurries Friday late in the day. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 12 February 2026
Today Tonight and Friday. Over open water waves 0.5 metres building to 1 Friday afternoon.

Extended Forecast

Issued 03:00 AM EST 12 February 2026
Saturday Wind northwest 20 knots diminishing to light in the afternoon.
Sunday Wind light becoming south 15 knots.
Monday Wind south 15 knots.

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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 10:30 AM EST 12 February 2026 Today Tonight and Friday At 10:30 a.m. EST today departing trough located on a line east-west
over southern Ontario.

At 10:30 a.m. EST today high 1027 mb located over Wisconsin.
By 10:30 a.m. EST Friday high 1029 mb located over southern Ohio.

At 10:30 a.m. EST today low 1008 mb located over northern
Saskatchewan.
By 10:30 a.m. EST Friday low 1011 mb located over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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